A libhtmlcleaner-java security update has been released for Debian GNU/Linux 11 and 12 to address an issue that can result in a a denial of service.

[SECURITY] [DSA 5471-1] libhtmlcleaner-java security update

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Debian Security Advisory DSA-5471-1 security@debian.org
https://www.debian.org/security/ Markus Koschany
August 07, 2023 https://www.debian.org/security/faq
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Package : libhtmlcleaner-java
CVE ID : CVE-2023-34624

A security vulnerability has been discovered in libhtmlcleaner-java, a Java
HTML parser library. An attacker was able to cause a denial of service
(StackOverflowError) if the parser runs on user supplied input with deeply
nested HTML elements. This update introduces a new nesting depth limit which
can be overridden in cleaner properties.

For the oldstable distribution (bullseye), this problem has been fixed
in version 2.24-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 2.26-1+deb12u1.

We recommend that you upgrade your libhtmlcleaner-java packages.

For the detailed security status of libhtmlcleaner-java please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libhtmlcleaner-java

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