Bug 2542948 - CVE-2026-86247 tomcat-native: Apache Tomcat Native: Client certificate verification requirements can be down-graded via race condition [fedora-all]
Summary: CVE-2026-86247 tomcat-native: Apache Tomcat Native: Client certificate verifi...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: tomcat-native
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Dimitris Soumis
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["df53bb9b-9e30-4a67-b96f-e...
Depends On:
Blocks: CVE-2026-86247
TreeView+ depends on / blocked
 
Reported: 2026-09-29 05:50 UTC by Ganesh
Modified: 2026-09-29 05:50 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Ganesh 2026-09-29 05:50:22 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations.



This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected.



Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.
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