Homepage

Off-by-one Error The advisory has been revoked - it doesn't affect any version of package tomcat  (opens in a new tab)

Threat Intelligence

EPSS
0.68% (51st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL10-TOMCAT-19455038
  • published1 Sept 2026
  • disclosed25 Aug 2026
Report a new vulnerability Found a mistake?

Introduced: 25 Aug 2026

CVE-2026-65927  (opens in a new tab)
CWE-193  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat package and not the tomcat package as distributed by RHEL.

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.

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 11.0.25, 10.1.58 or 9.0.121 which fix the issue.