This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-86243 →

DEBIAN-CVE-2026-86243

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 iss...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 tomcat-native

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 tomcat-native

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 tomcat-native

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-1"}]}]

References

advisory security-tracker.debian.org