CVE-2026-24734: falha de alta gravidade em Apache Tomcat
Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.4epss 0.6%
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: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected.
Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue.
Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Produtos afetados
Apache Software Foundation · Apache TomcatApache Software Foundation · Apache Tomcat NativeCVEs relacionadas — Apache Tomcat
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Referências
https://access.redhat.com/errata/RHSA-2026:19054https://access.redhat.com/errata/RHSA-2026:26323https://access.redhat.com/errata/RHSA-2026:36790https://access.redhat.com/errata/RHSA-2026:5611https://access.redhat.com/errata/RHSA-2026:5612https://access.redhat.com/errata/RHSA-2026:6569https://access.redhat.com/errata/RHSA-2026:8334https://access.redhat.com/security/cve/CVE-2026-24734https://bugzilla.redhat.com/show_bug.cgi?id=2440426https://lists.apache.org/thread/292dlmx3fz1888v6v16221kpozq56gmlhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24734.json