RHSA-2026:0742
Vulnerability from csaf_redhat - Published: 2026-01-19 00:15 - Updated: 2026-01-19 03:55Summary
Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.1.13 on RHEL 7 security update
Notes
Topic
A security update is now available for Red Hat JBoss Enterprise Application Platform 7.1 for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.1.13 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.1.12, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.1.13 Release Notes for information about the most significant bug fixes and enhancements included in this release.
Security Fix(es):
* jackson-core: jackson-core Potential StackoverflowError [eap-7.1.z] (CVE-2025-52999)
* netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability [eap-7.1.z] (CVE-2025-55163)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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.
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"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",
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"title": "com.fasterxml.jackson.core/jackson-core: jackson-core Potential StackoverflowError"
},
{
"cve": "CVE-2025-55163",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2025-08-13T15:01:55.372237+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2388252"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Netty where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the \"MadeYouReset\" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts. While not a protocol bug, this highlights a common implementation weakness that can be exploited to cause a denial of service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "netty: netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated with an Important severity. It is simple to exploit because it does not require authentication and could result in a denial of service (DoS). While some DoS flaws are classified as Moderate, \u201cMadeYouReset\u201d is Important because of the limited barriers (no specialized tooling or advanced scripting) to exploitation, which directly impacts service availability. The vulnerability arises from an implementation weakness in HTTP/2 stream reset handling \u2014 malformed client requests can trigger server-side resets without incrementing abuse counters, allowing an attacker to bypass built-in request throttling and overhead limits. Since these resets consume CPU and memory resources and can be generated at scale over a single TCP/TLS connection, a remote attacker could exhaust server capacity quickly, impacting all legitimate clients.",
"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": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-55163"
},
{
"category": "external",
"summary": "RHBZ#2388252",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388252"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-55163",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-55163"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-55163",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55163"
},
{
"category": "external",
"summary": "https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4",
"url": "https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4"
},
{
"category": "external",
"summary": "https://kb.cert.org/vuls/id/767506",
"url": "https://kb.cert.org/vuls/id/767506"
}
],
"release_date": "2025-08-13T14:17:36.111000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-19T00:15:08+00:00",
"details": "Before applying this update, ensure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258",
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"title": "netty: netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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