A zlib security update has been released for Debian GNU/Linux 10 to address a heap-based buffer overflow vulnerability.

DLA 3103-1: zlib security update

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Debian LTS Advisory DLA-3103-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
September 12, 2022   https://wiki.debian.org/LTS
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Package : zlib
Version : 1:1.2.11.dfsg-1+deb10u2
CVE ID : CVE-2022-37434
Debian Bug : 1016710

Evgeny Legerov reported a heap-based buffer overflow vulnerability in
the inflate operation in zlib, which could result in denial of service
or potentially the execution of arbitrary code if specially crafted
input is processed.

For Debian 10 buster, this problem has been fixed in version
1:1.2.11.dfsg-1+deb10u2.

We recommend that you upgrade your zlib packages.

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

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