RLSA-2026:25341

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Source
https://errata.rockylinux.org/RLSA-2026:25341
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:25341.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:25341
Upstream
CVE (9)
Published
2026-09-28T06:10:05Z
Modified
2026-09-28T06:30:02Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
Important: tomcat9 security update
Details

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world.

Security Fix(es):

  • tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation (CVE-2026-24734)

  • tomcat: Client certificate verification bypass due to virtual host mapping (CVE-2025-66614)

  • tomcat: security constraint bypass with HTTP/0.9 (CVE-2026-24733)

  • Apache Tomcat: Apache Tomcat: Authentication bypass due to CLIENT_CERT soft fail misconfiguration (CVE-2026-29145)

  • Apache Tomcat: Apache Tomcat: Information disclosure via sensitive data in log files (CVE-2026-34487)

  • Apache Tomcat: Apache Tomcat: Open Redirect vulnerability via LoadBalancerDrainingValve (CVE-2026-25854)

  • Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension (CVE-2026-24880)

  • Apache Tomcat: Apache Tomcat: Authentication bypass via client certificate misconfiguration (CVE-2026-34500)

  • Apache Tomcat: Apache Tomcat: Information disclosure due to improper encoding in JsonAccessLogValve (CVE-2026-34483)

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.

Database specific 
{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:25341"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / tomcat9

Package

Name
tomcat9
Purl
pkg:rpm/rocky-linux/tomcat9?distro=rocky-linux-10-aarch64&epoch=1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:9.0.117-1.el10_2
Database specific
Show details 
{
    "yum_repository":  "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:25341.json"