Adjvulibre security update has been released for Debian GNU/Linux 10 and 11 to address several vulnerabilities.

DSA 5032-1: djvulibre security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-5032-1 security@debian.org
  https://www.debian.org/security/ Florian Weimer
December 28, 2021   https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : djvulibre
CVE ID : CVE-2019-15142 CVE-2019-15143 CVE-2019-15144 CVE-2019-15145
CVE-2019-18804 CVE-2021-3500 CVE-2021-3630 CVE-2021-32490
CVE-2021-32491 CVE-2021-32492 CVE-2021-32493
Debian Bug : 945114 988215

Several vulnerabilities were discovered in djvulibre, a library and
set of tools to handle documents in the DjVu format. An attacker could
crash document viewers and possibly execute arbitrary code through
crafted DjVu files.

For the oldstable distribution (buster), these problems have been fixed
in version 3.5.27.1-10+deb10u1.

For the stable distribution (bullseye), these problems have been fixed in
version 3.5.28-2.

We recommend that you upgrade your djvulibre packages.

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

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/