OESA-2026-2398 (CVE-2026-33007)
Vulnerability from osv_openeuler – Published: 2026-05-22 11:11 – Updated: 2026-08-06 11:11 – Source websiteApache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.
Security Fix(es):
A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.
Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-33007)
HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.
This issue affects Apache HTTP Server: from through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33523)
Out-of-bounds Read vulnerability in mod_proxy_ajp of
Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33857)
Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-34032)
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"httpd-2.4.58-15.oe2403.aarch64.rpm",
"httpd-debuginfo-2.4.58-15.oe2403.aarch64.rpm",
"httpd-debugsource-2.4.58-15.oe2403.aarch64.rpm",
"httpd-devel-2.4.58-15.oe2403.aarch64.rpm",
"httpd-tools-2.4.58-15.oe2403.aarch64.rpm",
"mod_ldap-2.4.58-15.oe2403.aarch64.rpm",
"mod_md-2.4.58-15.oe2403.aarch64.rpm",
"mod_proxy_html-2.4.58-15.oe2403.aarch64.rpm",
"mod_session-2.4.58-15.oe2403.aarch64.rpm",
"mod_ssl-2.4.58-15.oe2403.aarch64.rpm"
],
"noarch": [
"httpd-filesystem-2.4.58-15.oe2403.noarch.rpm",
"httpd-help-2.4.58-15.oe2403.noarch.rpm"
],
"src": [
"httpd-2.4.58-15.oe2403.src.rpm"
],
"x86_64": [
"httpd-2.4.58-15.oe2403.x86_64.rpm",
"httpd-debuginfo-2.4.58-15.oe2403.x86_64.rpm",
"httpd-debugsource-2.4.58-15.oe2403.x86_64.rpm",
"httpd-devel-2.4.58-15.oe2403.x86_64.rpm",
"httpd-tools-2.4.58-15.oe2403.x86_64.rpm",
"mod_ldap-2.4.58-15.oe2403.x86_64.rpm",
"mod_md-2.4.58-15.oe2403.x86_64.rpm",
"mod_proxy_html-2.4.58-15.oe2403.x86_64.rpm",
"mod_session-2.4.58-15.oe2403.x86_64.rpm",
"mod_ssl-2.4.58-15.oe2403.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:24.03-LTS",
"name": "httpd",
"purl": "pkg:rpm/openEuler/httpd\u0026distro=openEuler-24.03-LTS"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.58-15.oe2403"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "Medium"
},
"details": "Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nA NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-33007)\n\nHTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.\n\nThis issue affects Apache HTTP Server: from through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33523)\n\nOut-of-bounds Read vulnerability in mod_proxy_ajp of \n\nApache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-33857)\n\nImproper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-34032)",
"id": "OESA-2026-2398",
"modified": "2026-08-06T11:11:21Z",
"published": "2026-05-22T11:11:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2398"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33007"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33523"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33857"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34032"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "httpd security update",
"upstream": [
"CVE-2026-33007",
"CVE-2026-33523",
"CVE-2026-33857",
"CVE-2026-34032"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
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