An advancecomp security update has been released for Debian GNU/Linux 9 LTS to address several vulnerabilities.

DLA 2868-1: advancecomp security update

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Debian LTS Advisory DLA-2868-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
December 29, 2021   https://wiki.debian.org/LTS
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Package : advancecomp
Version : 1.20-1+deb9u1
CVE ID : CVE-2018-1056 CVE-2019-8379 CVE-2019-8383 CVE-2019-9210
Debian Bug : 889270 923416 928729 928730

Several vulnerabilities have been fixed in the AdvanceCOMP recompression
utilities.

CVE-2018-1056

Out-of-bounds heap buffer read in advzip.

CVE-2019-8379

NULL pointer dereference in be_uint32_read().

CVE-2019-8383

Invalid memory access in adv_png_unfilter_8().

CVE-2019-9210

Integer overflow in advpng with invalid PNG size.

For Debian 9 stretch, these problems have been fixed in version
1.20-1+deb9u1.

We recommend that you upgrade your advancecomp packages.

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

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