Unrated severityNVD Advisory· Published Sep 23, 2026
CVE-2026-86243
CVE-2026-86243
Description
Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash.
This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versions may also be affected.
Users are recommended to upgrade to version 1.3.9 or 2.0.16, which fix the issue.
Affected products
1- Range: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8
Patches
Vulnerability mechanics
References
1News mentions
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