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[SECURITY] [DLA 3779-1] tomcat9 security update

Debian LTS Advisory DLA-3779-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
April 06, 2024                                https://wiki.debian.org/LTS

Package        : tomcat9
Version        : 9.0.31-1~deb10u12
CVE ID         : CVE-2024-23672 CVE-2024-24549
Debian Bug     : 1066877 1066878

Two security vulnerabilities have been discovered in the Tomcat
servlet and JSP engine.


     Denial of Service due to improper input validation vulnerability for
     HTTP/2. When processing an HTTP/2 request, if the request exceeded any of
     the configured limits for headers, the associated HTTP/2 stream was not
     reset until after all of the headers had been processed.


     Denial of Service via incomplete cleanup vulnerability. It was possible
     for WebSocket clients to keep WebSocket connections open leading to
     increased resource consumption.

For Debian 10 buster, these problems have been fixed in version

We recommend that you upgrade your tomcat9 packages.

For the detailed security status of tomcat9 please refer to
its security tracker page at:

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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