Bug#1109113: tomcat11: CVE-2025-53506

[Salvatore Bonaccorso]

Source: tomcat11
Version: 11.0.6-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>
Control: clone -1 -2
Control: reassign -2 src:tomcat10 10.1.40-1
Control: retitle -2 tomcat10: CVE-2025-53506

Hi,

The following vulnerability was published for tomcat11.

CVE-2025-53506[0]:
| Uncontrolled Resource Consumption vulnerability in Apache Tomcat if
| an HTTP/2 client did not acknowledge the initial settings frame that
| reduces the maximum permitted concurrent streams.  This issue
| affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1
| through 10.1.42, from 9.0.0.M1 through 9.0.106.  Users are
| recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which
| fix the issue.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-53506
    https://www.cve.org/CVERecord?id=CVE-2025-53506

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore