High7.4Red Hat Linux

High [CVE-2026-24734] Certificate revocation bypass due to improper OCSP response validation

This high-severity Red Hat Linux advisory covers CVE-2026-24734 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat JBoss Web Server 6.2 on RHEL 10.

CVE-2026-24734 Published Feb 17, 2026

CVE-2026-24734

Affected products & platforms

Red Hat LinuxUnclassified

Open vendor advisory

Android app · Google Play

Monitor future Red Hat Linux CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

Certificate revocation bypass due to improper OCSP response validation. Red Hat rates this important (CVSS 7.4).

Weakness: CWE-295. Affected package(s): jws6-tomcat-native, tomcat, tomcat10-main, jws6-tomcat, tomcat11-main.

Resolved in Red Hat advisory RHSA-2026:5612 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat JBoss Web Server 6.2 on RHEL 10; Red Hat JBoss Web Server 6.2 on RHEL 8; and 3 more.

Affected versions

jws6-tomcat-native-0:1.3.6-1.redhat_1.el10jws
jws6-tomcat-native-0:1.3.6-1.redhat_1.el9jws
tomcat
jws6-tomcat-native-0:1.3.6-1.redhat_1.el8jws
tomcat10-main-10.1.54-1.hum1
jws6-tomcat-0:10.1.49-9.redhat_00007.1.el10jws
tomcat-1:10.1.49-1.el10_2.1
tomcat-1:9.0.117-1.el9_8
jws6-tomcat-0:10.1.49-9.redhat_00007.1.el8jws
jws6-tomcat-0:10.1.49-9.redhat_00007.1.el9jws
tomcat11-main-11.0.21-0.1.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:5612

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:5612 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.