A libcaca security update has been released for Debian GNU/Linux 9 LTS to address a buffer overflow issue that may lead to local execution of arbitrary code in the user context.

DLA 2584-1: libcaca security update

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Debian LTS Advisory DLA-2584-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Abhijith PA
March 07, 2021   https://wiki.debian.org/LTS
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Package : libcaca
Version : 0.99.beta19-2.1~deb9u2
CVE ID : CVE-2021-3410
Debian Bug : 983684

A buffer overflow issue in caca_resize function in
libcaca/caca/canvas.c may lead to local execution of arbitrary code in
the user context.

For Debian 9 stretch, this problem has been fixed in version
0.99.beta19-2.1~deb9u2.

We recommend that you upgrade your libcaca packages.

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

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