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High ELSA-2026-26323 1 CVE

Important: tomcat security update (Oracle Linux 9)

Published Jun 23, 2026 · Updated Jun 23, 2026

Summary

[1:9.0.117-1]
- Resolves: RHEL-150714 Certificate revocation bypass due to improper OCSP response validation
- Resolves:
Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled (CVE-2026-34500)
- Resolves:
Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token (CVE-2026-34487)
- Resolves:
Tomcat: The fix for CVE-2026-29146 allowed the bypass of the EncryptInterceptor (CVE-2026-34486)
- Resolves:
Tomcat: Incomplete escaping of JSON access logs (CVE-2026-34483)
- Resolves:
Tomcat: The fix for CVE-2025-66614 was incomplete (CVE-2026-32990)
- Resolves:
Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default (CVE-2026-29146)
- Resolves:
Tomcat: OCSP checks sometimes soft-fail even when soft-fail is disabled (CVE-2026-29145)
- Resolves:
Tomcat: Configured TLS cipher preference order not preserved (CVE-2026-29129)
- Resolves:
Tomcat: Occasionally open redirect (CVE-2026-25854)
- Resolves:
Tomcat: Request smuggling via invalid chunk extension (CVE-2026-24880)
- Resolves:
Tomcat: Incomplete OCSP verification checks (CVE-2026-24734)
- Resolves:
Tomcat: Security constraint bypass (CVE-2026-24733)
- Resolves:
Tomcat: Client certificate verification bypass due to virtual host mapping (CVE-2025-66614)

Fixed packages 8

ReleasePackageFixed in
Oracle Linux · 9 tomcat 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-admin-webapps 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-docs-webapp 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-el-3.0-api 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-jsp-2.3-api 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-lib 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-servlet-4.0-api 1:9.0.117-1.el9_8
Oracle Linux · 9 tomcat-webapps 1:9.0.117-1.el9_8

Vulnerabilities 1