A w3m security update has been released for Debian GNU/Linux 10 LTS to address an out-of-bounds write.

[SECURITY] [DLA 3541-1] w3m security update

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Debian LTS Advisory DLA-3541-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Sylvain Beucler
August 24, 2023 https://wiki.debian.org/LTS
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Package : w3m
Version : 0.5.3-37+deb10u1
CVE ID : CVE-2022-38223
Debian Bug : 1019599

Han Zheng discovered an out-of-bounds write in w3m, a text based web
browser and pager. It can be triggered by sending a crafted HTML file
to the w3m binary. It allows an attacker to cause Denial of Service
(DoS) or possibly have unspecified other impact.

For Debian 10 buster, this problem has been fixed in version
0.5.3-37+deb10u1.

We recommend that you upgrade your w3m packages.

For the detailed security status of w3m please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/w3m

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