RHSA-2026:25042
Vulnerability from csaf_redhat - Published: 2026-06-10 09:40 - Updated: 2026-07-20 18:13Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
httpd:
* httpd-2.4.68-1.hum1 (aarch64, x86_64)
* httpd-core-2.4.68-1.hum1 (aarch64, x86_64)
* httpd-devel-2.4.68-1.hum1 (aarch64, x86_64)
* httpd-filesystem-2.4.68-1.hum1 (noarch)
* httpd-manual-2.4.68-1.hum1 (noarch)
* httpd-tools-2.4.68-1.hum1 (aarch64, x86_64)
* mod_ldap-2.4.68-1.hum1 (aarch64, x86_64)
* mod_lua-2.4.68-1.hum1 (aarch64, x86_64)
* mod_proxy_html-2.4.68-1.hum1 (aarch64, x86_64)
* mod_session-2.4.68-1.hum1 (aarch64, x86_64)
* mod_ssl-2.4.68-1.hum1 (aarch64, x86_64)
* httpd-2.4.68-1.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in Apache HTTP Server when using the `mod_ldap` module in a per-directory configuration. This use-after-free vulnerability allows a remote attacker to potentially execute arbitrary code or cause a denial of service (DoS) due to improper memory handling. This could lead to system instability or unauthorized control over the affected server.
4.6 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
A flaw was found in Apache HTTP Server, specifically within the `mod_proxy_ftp` module. This cross-site scripting (XSS) vulnerability occurs during the generation of HTML directory lists when the server is configured to list FTP directory contents via either a forward or reverse proxy. An attacker could exploit this by injecting malicious scripts into web pages, which could lead to information disclosure or unauthorized actions when viewed by other users.
5.4 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
A vulnerability has been identified in the Apache HTTP Server. If the server is configured to connect to a malicious or compromised backend server, an attacker could exploit this flaw to bypass security controls or run unauthorized code on the system.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie* directives. This could lead to a denial of service (DoS) condition, making the server unavailable to legitimate users.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in the `mod_dav_fs` module of Apache HTTP Server. A WebDAV (Web Distributed Authoring and Versioning) content author could exploit a path handling issue to directly manipulate trusted DAV property databases. This manipulation could potentially lead to child process crashes, resulting in a Denial of Service (DoS).
6.5 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
A flaw was found in Apache HTTP Server, specifically within the mod_xml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service, information disclosure, or possibly arbitrary code execution.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when `mod_headers` and `mod_mime` are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service.
6.5 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in Apache HTTP Server. This improper privilege management vulnerability allows local .htaccess authors to read files with the privileges of the httpd user. This could lead to unauthorized information disclosure.
5.5 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
A flaw was found in Apache HTTP Server. This buffer over-read vulnerability occurs when the server processes outbound Online Certificate Status Protocol (OCSP) requests directed to an attacker-controlled OCSP server. This could allow a remote attacker to read sensitive information from memory or cause a denial of service.
7.3 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in the `mod_proxy_ftp` module of the Apache HTTP Server. A remote attacker, by controlling a backend File Transfer Protocol (FTP) server, can trigger an infinite loop. This vulnerability, categorized as a Loop with Unreachable Exit Condition, leads to a Denial of Service (DoS) for the affected server.
7.3 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service.
7.7 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in the Apache HTTP Server's mod_http2 module. This vulnerability, known as a Use After Free, occurs when the server's file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system compromise.
7.3 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are then held, leading to a denial of service (DoS) by rendering the server inaccessible.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:httpd-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:httpd-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
72 references
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"vulnerabilities": [
{
"cve": "CVE-2026-29167",
"cwe": {
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"name": "Expired Pointer Dereference"
},
"discovery_date": "2026-06-08T16:01:30.220956+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486394"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server when using the `mod_ldap` module in a per-directory configuration. This use-after-free vulnerability allows a remote attacker to potentially execute arbitrary code or cause a denial of service (DoS) due to improper memory handling. This could lead to system instability or unauthorized control over the affected server.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "CISA\u0027s 9.8 is a mechanical worst-case UAF score. Their vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H \u2014 they\u0027re treating it as: \"network-facing service, memory corruption primitive, assume RCE.\" This is how CISA-ADP routinely scores any UAF in a network daemon. They don\u0027t analyze actual exploitability; they score the theoretical ceiling of the vulnerability class.\n\nApache\u0027s LOW reflects what actually happens. \n\n1. Trigger is narrow \u2014 mod_ldap must be loaded (not default) AND configured in per-directory context (\u003cDirectory\u003e, \u003cLocation\u003e, .htaccess). Server-wide LDAP config doesn\u0027t trigger it. This is an unusual configuration pattern.\n2. UAF in config merging, not request handling \u2014 the freed memory is in the per-directory configuration merge path, which constrains the timing window and what objects occupy the freed allocation. This isn\u0027t a heap spray-friendly UAF in a hot request path.\n3. httpd\u0027s process model kills RCE reliability \u2014 prefork uses separate processes (crash = one child dies, parent respawns), worker/event have per-process address space. Turning a UAF into reliable RCE against httpd is substantially harder than against a single-threaded daemon with a predictable heap layout.\n4. Realistic impact is DoS \u2014 the freed pointer will most likely cause a segfault (child crash), not a controlled write primitive. The parent process respawns workers, so even the DoS is transient.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-29167"
},
{
"category": "external",
"summary": "RHBZ#2486394",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486394"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-29167",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29167"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-29167",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29167"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:07:59.231000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "upgrade apache web server to 2.4.68",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration"
},
{
"cve": "CVE-2026-29170",
"cwe": {
"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
"discovery_date": "2026-06-08T16:02:43.595491+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486419"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server, specifically within the `mod_proxy_ftp` module. This cross-site scripting (XSS) vulnerability occurs during the generation of HTML directory lists when the server is configured to list FTP directory contents via either a forward or reverse proxy. An attacker could exploit this by injecting malicious scripts into web pages, which could lead to information disclosure or unauthorized actions when viewed by other users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Cross-site scripting in mod_proxy_ftp via HTML directory list generation",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact cross-site scripting (XSS) vulnerability in Apache HTTP Server\u0027s `mod_proxy_ftp` module requires specific server configurations to be exploitable. The flaw occurs when `mod_proxy_ftp` is enabled and configured to list FTP directory contents via a proxy, which is not a default setup in Red Hat Enterprise Linux. Successful exploitation depends on a user viewing a specially crafted web page, potentially leading to information disclosure or unauthorized actions within the user\u0027s browser context.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-29170"
},
{
"category": "external",
"summary": "RHBZ#2486419",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486419"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-29170",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29170"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-29170",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29170"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:10:09.141000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache HTTP Server: Cross-site scripting in mod_proxy_ftp via HTML directory list generation"
},
{
"cve": "CVE-2026-34355",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"discovery_date": "2026-06-08T16:02:27.677660+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486414"
}
],
"notes": [
{
"category": "description",
"text": "A vulnerability has been identified in the Apache HTTP Server. If the server is configured to connect to a malicious or compromised backend server, an attacker could exploit this flaw to bypass security controls or run unauthorized code on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Important vulnerability in `mod_proxy_html` within the Apache HTTP Server allows an untrusted backend to trigger a buffer overflow. This could lead to a security bypass or arbitrary code execution, posing a significant risk in environments where `httpd` is configured with untrusted backend services.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-34355"
},
{
"category": "external",
"summary": "RHBZ#2486414",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486414"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-34355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-34355"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34355",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34355"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:20:30.900000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "Disable the `mod_proxy_html` module if it is not essential for your Apache HTTP Server configuration. If `mod_proxy_html` is required, restrict its use to trusted backend servers only, employing network segmentation and access controls. After modifying the configuration, reload the httpd service for changes to apply, which may cause a brief service interruption.\n\nSteps to disable:\nOpen /etc/httpd/conf.modules.d/00-proxy.conf.\nAdd a # to comment out the line: LoadModule proxy_html_module modules/mod_proxy_html.so\nVerify configuration syntax: apachectl configtest\nApply the change gracefully: systemctl reload httpd",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass"
},
{
"cve": "CVE-2026-34356",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"discovery_date": "2026-06-08T16:01:32.651836+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486395"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie* directives. This could lead to a denial of service (DoS) condition, making the server unavailable to legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw in Apache could allow a malicious backend server to crash your web server, making it unavailable to users. Your system is only at risk if you use Apache to forward traffic to untrusted or unverified backend systems.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-34356"
},
{
"category": "external",
"summary": "RHBZ#2486395",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486395"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-34356",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-34356"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34356",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34356"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:12:21.415000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "To prevent this denial-of-service flaw, ensure your Apache proxy rules only connect to highly trusted backend servers. If you must proxy traffic to unverified or external backends, disable the cookie-rewriting features.\n\nSteps to Mitigate:\n\nOpen your Apache configuration file (e.g., /etc/httpd/conf/httpd.conf).\nLocate and comment out any ProxyPassReverseCookieDomain or ProxyPassReverseCookiePath lines pointing to untrusted backends by adding a # at the start of the line.\nTest your syntax: apachectl configtest\nApply changes gracefully: systemctl reload httpd\nNote: This may cause a brief service interruption.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers"
},
{
"cve": "CVE-2026-42535",
"cwe": {
"id": "CWE-22",
"name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
},
"discovery_date": "2026-06-08T16:02:04.647650+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486406"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the `mod_dav_fs` module of Apache HTTP Server. A WebDAV (Web Distributed Authoring and Versioning) content author could exploit a path handling issue to directly manipulate trusted DAV property databases. This manipulation could potentially lead to child process crashes, resulting in a Denial of Service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-42535"
},
{
"category": "external",
"summary": "RHBZ#2486406",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486406"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-42535",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42535"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42535",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42535"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:14:49.189000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue"
},
{
"cve": "CVE-2026-42536",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"discovery_date": "2026-06-08T16:02:19.284204+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486411"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server, specifically within the mod_xml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service, information disclosure, or possibly arbitrary code execution.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "In Red Hat Enterprise Linux (RHEL), the httpd package includes mod_xml2enc, which provides encoding support for filters like mod_proxy_html. Because this flaw relies on processing unvetted or untrusted input text lengths, the impact presents a high risk to availability (Denial of Service via worker crashes) and a potential risk to confidentiality if an attacker is capable of executing remote code within the context of the apache or httpd daemon process.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-42536"
},
{
"category": "external",
"summary": "RHBZ#2486411",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486411"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-42536",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42536"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42536",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42536"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:23:46.290000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "To mitigate this vulnerability, disable the `mod_xml2enc` module if its functionality for XML internationalization is not essential. This can be done by commenting out the `LoadModule xml2enc_module modules/mod_xml2enc.so` directive in the Apache HTTP Server configuration. A service restart is required for the change to take effect.\n\n```bash\n# Edit the Apache configuration file, e.g., /etc/httpd/conf.modules.d/00-base.conf\n# Comment out the line:\n# LoadModule xml2enc_module modules/mod_xml2enc.so\n\n# Reload the httpd service\nsudo systemctl reload httpd\n```\n\n*Note: Disabling `mod_xml2enc` will cause any configurations relying heavily on `mod_proxy_html` or raw HTML/XML encoding conversions to function incorrectly or fail. Red Hat strongly recommends upgrading to a patched version of `httpd` as soon as it becomes available for your specific RHEL channel.*",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc"
},
{
"cve": "CVE-2026-43951",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2026-06-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486415"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when `mod_headers` and `mod_mime` are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact vulnerability in Apache HTTP Server arises from an out-of-bounds read when both `mod_headers` and `mod_mime` modules are active and configured for multiple response languages. While this configuration is not universally enabled by default in Red Hat products, affected systems could be vulnerable to information disclosure or denial of service if these specific modules and language settings are in use. Exploitation requires a remote attacker to trigger this specific module interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-43951"
},
{
"category": "external",
"summary": "RHBZ#2486415",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486415"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-43951",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43951"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43951",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43951"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:16:14.594000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "- Those who do not require multi-language response headers can remove or disable the `mod_headers` and `mod_mime` modules, or remove Content-Language directives from their configuration. \n- Systems not using these modules in combination are not affected.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime"
},
{
"cve": "CVE-2026-44119",
"cwe": {
"id": "CWE-266",
"name": "Incorrect Privilege Assignment"
},
"discovery_date": "2026-06-08T16:02:34.964516+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486416"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server. This improper privilege management vulnerability allows local .htaccess authors to read files with the privileges of the httpd user. This could lead to unauthorized information disclosure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-44119"
},
{
"category": "external",
"summary": "RHBZ#2486416",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486416"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-44119",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44119"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44119",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44119"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:17:31.939000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges"
},
{
"cve": "CVE-2026-44185",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2026-06-08T16:01:37.898883+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486397"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server. This buffer over-read vulnerability occurs when the server processes outbound Online Certificate Status Protocol (OCSP) requests directed to an attacker-controlled OCSP server. This could allow a remote attacker to read sensitive information from memory or cause a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A critical buffer over-read flaw in Apache HTTP Server occurs when it performs outbound OCSP requests. If a server connects to an attacker-controlled OCSP responder, a remote attacker can leak sensitive memory data or trigger a denial of service (DoS). This risk depends entirely on the server\u0027s OCSP configuration and endpoint trustworthiness.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-44185"
},
{
"category": "external",
"summary": "RHBZ#2486397",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486397"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-44185",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44185"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44185",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44185"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:22:11.809000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "To mitigate this issue, ensure that Apache HTTP Server is configured to only communicate with trusted OCSP responders. If OCSP validation or stapling is not a critical requirement for your deployment, consider disabling it. This can be achieved by adjusting mod_ssl directives in your Apache HTTP Server configuration. \n\nFor example, add or modify the following lines:\n\n~~~\nSSLOCSPEnable off\nSSLUseStapling off\n~~~\n\nAfter modifying the configuration, reload the httpd service for the changes to take effect safely without interrupting active connections:\n\n~~~\nsudo systemctl reload httpd\n~~~",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server"
},
{
"cve": "CVE-2026-44186",
"cwe": {
"id": "CWE-835",
"name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
},
"discovery_date": "2026-06-08T16:01:53.173507+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486402"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the `mod_proxy_ftp` module of the Apache HTTP Server. A remote attacker, by controlling a backend File Transfer Protocol (FTP) server, can trigger an infinite loop. This vulnerability, categorized as a Loop with Unreachable Exit Condition, leads to a Denial of Service (DoS) for the affected server.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A loop with an unreachable exit condition flaw was found in the mod_proxy_ftp module of the Apache HTTP Server. A remote attacker could exploit this vulnerability by tricking the server into connecting to a malicious or compromised backend FTP server, causing the proxy_ftp_handler component to enter an infinite loop. This results in CPU exhaustion and a denial of service (DoS) condition on the affected system.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-44186"
},
{
"category": "external",
"summary": "RHBZ#2486402",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486402"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-44186",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44186"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44186",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44186"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:11:12.743000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "To mitigate this issue, you can disable the `mod_proxy_ftp` module if your environment does not require it.\n\n#### **Step 1: Disable the Module**\n\nOpen your Apache HTTP Server configuration file (commonly located at `/etc/httpd/conf.modules.d/00-proxy.conf` or `/etc/httpd/conf/httpd.conf`) and comment out or remove the following line:\n\n```\n# LoadModule proxy_ftp_module modules/mod_proxy_ftp.so\n```\n#### **Step 2: Restart the Service**\n\nRestart the `httpd` service to apply the configuration changes:\n```\nsystemctl restart httpd\n```\n**Note:** Disabling this module may impact applications or services that rely on Apache\u0027s FTP proxy functionality.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server"
},
{
"cve": "CVE-2026-44631",
"cwe": {
"id": "CWE-124",
"name": "Buffer Underwrite (\u0027Buffer Underflow\u0027)"
},
"discovery_date": "2026-06-08T16:01:43.891910+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486399"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server\u0027s configuration. An attacker could potentially exploit this to cause a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Apache HTTP Server: Denial of Service via crafted regular expressions",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact buffer underwrite flaw in Apache HTTP Server can lead to a denial of service. The vulnerability occurs when processing specially crafted regular expressions within the server\u0027s configuration. Exploitation requires a high attack complexity, indicating that specific conditions or a complex attack vector are necessary, thereby limiting the practical risk in typical Red Hat deployments where configuration changes are tightly controlled.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-44631"
},
{
"category": "external",
"summary": "RHBZ#2486399",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486399"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-44631",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44631"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44631",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44631"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:19:23.570000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "Only loadtrustedApache configuration; the bug triggers oncrafted regexin config at start/reload (DirectoryMatch,Directory ~,ProxyMatch, etc.).\nKeep AllowOverride None where possible so untrusted users cannot inject regex via .htaccess.\nRestrict who can change httpdconfig and reload the service.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: Apache HTTP Server: Denial of Service via crafted regular expressions"
},
{
"cve": "CVE-2026-48913",
"cwe": {
"id": "CWE-825",
"name": "Expired Pointer Dereference"
},
"discovery_date": "2026-06-08T16:02:01.682142+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2486405"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Apache HTTP Server\u0027s mod_http2 module. This vulnerability, known as a Use After Free, occurs when the server\u0027s file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system compromise.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A use-after-free vulnerability exists in the Apache HTTP Server mod_http2 module when system file handles are exhausted. A remote attacker could trigger this flaw via HTTP/2 requests to cause a denial of service (crash) or memory corruption.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-48913"
},
{
"category": "external",
"summary": "RHBZ#2486405",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486405"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-48913",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-48913"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48913",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48913"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html"
}
],
"release_date": "2026-06-08T15:24:52.573000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable the `mod_http2` module if HTTP/2 protocol support is not required. This can be achieved by commenting out or removing the `LoadModule http2_module modules/mod_http2.so` line in the Apache HTTP Server configuration file (e.g., `/etc/httpd/conf.modules.d/00-base.conf` or similar). \n\nAfter modifying the configuration, the httpd service must be restarted for the changes to take effect. This action may impact services relying on HTTP/2.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service."
},
{
"cve": "CVE-2026-49975",
"cwe": {
"id": "CWE-409",
"name": "Improper Handling of Highly Compressed Data (Data Amplification)"
},
"discovery_date": "2026-06-05T06:04:44.009000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2485371"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are then held, leading to a denial of service (DoS) by rendering the server inaccessible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The Apache\u0027s `httpd` HTTP/2 protocol implementation has a denial-of-service (DoS) vulnerability that is rated as Important. An unauthenticated remote attacker can exploit this flaw by combining HPACK compression with flow control manipulation, leading to significant server memory exhaustion and rendering the service inaccessible. This vulnerability exists in default HTTP/2 configurations.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-49975"
},
{
"category": "external",
"summary": "RHBZ#2485371",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485371"
},
{
"category": "external",
"summary": "RHSB-2026-007",
"url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-007"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-49975",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-49975"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-49975",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49975"
},
{
"category": "external",
"summary": "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb",
"url": "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb"
}
],
"release_date": "2026-06-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-10T09:40:49+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25042"
},
{
"category": "workaround",
"details": "See the security bulletin for a detailed mitigation procedure.",
"product_ids": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:httpd-main@aarch64",
"Red Hat Hardened Images:httpd-main@noarch",
"Red Hat Hardened Images:httpd-main@src",
"Red Hat Hardened Images:httpd-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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