CVE-2026-73581 — Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore

Description (CNA)

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 10.1.59, 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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Tomcat	affected 11.0.0-M1 through 11.0.25; affected 10.1.0-M1 through 10.1.59; affected 9.0.0.M1 through 9.0.121; affected 8.5.0 through 8.5.100; unaffected 0 before 8.5.0

CWE

CWE-299

References

https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/23/19