CVE-2026-24734

Vulnerability overview

Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed. This issue affects Apache Tomcat Native: from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114. The following versions were EOL at the time the CVE was created but are known to be affected:...

Affected product and versions

Product

Apache Software Foundation Apache Tomcat Native, Apache Tomcat, Red Hat Enterprise Linux 10

Affected versions

>= 1.1.23 <= 1.1.34, >= 1.2.0 <= 1.2.39, >= 1.3.0 <= 1.3.4, >= 2.0.0 <= 2.0.11, >= 11.0.0-M1 <= 11.0.17, >= 10.1.0-M7 <= 10.1.51, >= 9.0.83 <= 9.0.114, >= 9.0.83 < 9.0.115, >= 10.1.1 < 10.1.52, >= 11.0.1 < 11.0.18, 10.1.0, 11.0.0, >= 1.3.0 < 1.3.5, >= 2.0.0 < 2.0.12

Fixed versions

9.0.115, 10.1.52, 11.0.18, 1.3.5, 2.0.12

Technical data

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE

CWE-20, CWE-295