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[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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