[SECURITY] [DLA 2550-1] openjpeg2 security update
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Debian LTS Advisory DLA-2550-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Brian May
February 09, 2021 https://wiki.debian.org/LTS
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Package : openjpeg2
Version : 2.1.2-1.1+deb9u6
CVE ID : CVE-2020-27814 CVE-2020-27823 CVE-2020-27824 CVE-2020-27841
CVE-2020-27844 CVE-2020-27845
Various overflow errors were identified and fixed.
CVE-2020-27814
A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files.
CVE-2020-27823
Wrong computation of x1,y1 if -d option is used, resulting in heap buffer
overflow.
CVE-2020-27824
Global buffer overflow on irreversible conversion when too many
decomposition levels are specified.
CVE-2020-27841
Crafted input to be processed by the openjpeg encoder could cause an
out-of-bounds read.
CVE-2020-27844
Crafted input to be processed by the openjpeg encoder could cause an
out-of-bounds write.
CVE-2020-27845
Crafted input can cause out-of-bounds-read.
For Debian 9 stretch, these problems have been fixed in version
2.1.2-1.1+deb9u6.
We recommend that you upgrade your openjpeg2 packages.
For the detailed security status of openjpeg2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/openjpeg2
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
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