critical9.1
CVE-2026-53434
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.
Impact
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.tomcat:tomcat-util | >= 11.0.0-M1, <= 11.0.22 | 11.0.23 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Tomcat | from 9.0.83 before 9.0.119 from 10.1.0 before 10.1.56 from 11.0.0 before 11.0.23 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-4x29-79gh-6v8q
- https://nvd.nist.gov/vuln/detail/CVE-2026-53434
- https://lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk
- http://www.openwall.com/lists/oss-security/2026/06/29/22
- https://github.com/apache/tomcat/commit/7f8ecdbd930d8c5a7fae73aa0eec9124d919e2f5
- https://github.com/apache/tomcat/commit/c48ac39c27f4494f8c96b9d56a487253e362d276
- https://github.com/apache/tomcat/commit/feec60d6099727db6f911534f6a0f6926ebab070