A fig2dev security update has been released for Debian GNU/Linux 10 LTS to address multiple vulnerabilities that result in buffer overflow and NULL pointer dereference.

DLA 3304-1: fig2dev security update

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Debian LTS Advisory DLA-3304-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
January 31, 2023   https://wiki.debian.org/LTS
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Package : fig2dev
Version : 1:3.2.7a-5+deb10u5
CVE ID : CVE-2020-21529 CVE-2020-21531 CVE-2020-21532 CVE-2020-21676
CVE-2021-32280
Debian Bug : 960736

Brief introduction

CVE-2020-21529

Stack buffer overflow in bezier_spline().

CVE-2020-21531

Global buffer overflow in conv_pattern_index().

CVE-2020-21532

Global buffer overflow in setfigfont().

CVE-2020-21676

Stack-based buffer overflow in genpstrx_text().

CVE-2021-32280

NULL pointer dereference in compute_closed_spline().

For Debian 10 buster, these problems have been fixed in version
1:3.2.7a-5+deb10u5.

We recommend that you upgrade your fig2dev packages.

For the detailed security status of fig2dev please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/fig2dev

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