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DEBIAN-CVE-2026-66299

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through...

Original description

The description as published by the source.

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue. Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 tomcat10

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

Debian:13 tomcat10

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

Debian:14 tomcat10

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.60-1"}]}]

Debian:13 tomcat11

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

Debian:14 tomcat11

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

Debian:12 tomcat9

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]

Debian:13 tomcat9

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]

Debian:14 tomcat9

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.70-2"}]}]

References

advisory security-tracker.debian.org