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Message-ID: <057d5fb9-d39b-4ab0-af98-c4a4b9e5f6bc@apache.org>
Date: Wed, 23 Sep 2026 12:10:20 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-73581: Apache Tomcat: OpenSSL and OpenSSL-FFM TLS
implementations ignore CRLs when certificate uses a keystore
Severity: moderate
Affected versions:
- Apache Tomcat 11.0.0-M1 through 11.0.25
- Apache Tomcat 10.1.0-M1 through 10.1.59
- Apache Tomcat 9.0.0.M1 through 9.0.121
- Apache Tomcat 8.5.0 through 8.50.100
- Apache Tomcat through 8.5.0 unaffected
Description:
Improper Check for Certificate Revocation vulnerability in Apache
Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs
when certificate uses a keystore.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from
10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121.
The following versions were EOL at the time the CVE was created but are
known to be affected: from 8.5.0 through 8.5.100. Other unsupported
versions may also be affected.
Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122,
which fixes the issue.
Credit:
arpitjain099 (https://github.com/arpitjain099) (finder)
References:
https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-73581
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