A djvulibre security update has been released for Debian GNU/Linux 9 LTS to address several vulnerabilities.
DLA 2667-1: djvulibre security update
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Debian LTS Advisory DLA-2667-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Sylvain Beucler
May 26, 2021 https://wiki.debian.org/LTS
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Package : djvulibre
Version : 3.5.27.1-7+deb9u1
CVE ID : CVE-2019-15142 CVE-2019-15143 CVE-2019-15144 CVE-2019-15145
CVE-2019-18804 CVE-2021-3500 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 Debian 9 stretch, these problems have been fixed in version
3.5.27.1-7+deb9u1.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
