High7.4Red Hat & Ubuntu Linux
Certificate revocation bypass due to improper OCSP response validation
CVE-2026-24734 Published Feb 17, 2026
CVE-2026-24734
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
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 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 4 hours ago·verify at source
Fixed versions
- RHSA-2026:5612
Official advisory · high-confidence parse· fetched 4 hours 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 4 hours ago·verify at source
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