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CVE-2025-31651 Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely…

Description

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those constraints could be bypassed. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.5, from 10.1.0-M1 through 10.1.39, from 9.0.0.M1 through 9.0.102. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

Affected products and versions

Product Affected versions Fixed in
Apache Tomcat 11.0 11.0.0-M1 → 11.0.5 No fix stated
Apache Tomcat 10.1 10.1.0-M1 → 10.1.39 No fix stated
Apache Tomcat 10.0 10.0.0-M1 → 10.0.27 No fix stated
Apache Tomcat 9.0 9.0.0.M1 → 9.0.102 No fix stated
Apache Tomcat 8.5 8.5.0 → 8.5.100 No fix stated
Apache Tomcat 8.0 8.0.0.RC1 → < 8.5.0 8.5.0

References

Timeline

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