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AUSCERT External Security Bulletin Redistribution
ESB-2020.3934
libexif security update
9 November 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libexif
Publisher: Debian
Operating System: Debian GNU/Linux
Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-0452
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2439
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running libexif check for an updated version of the software for
their operating system.
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Debian LTS Advisory DLA-2439-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
November 07, 2020 https://wiki.debian.org/LTS
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Package : libexif
Version : 0.6.21-2+deb9u5
CVE ID : CVE-2020-0452
In libexif/exif-entry.c, through libexif 0.6.21-2+deb9u4,
compiler optimization could remove a buffer overflow check,
making a buffer overflow possible with some EXIF tags.
For Debian 9 stretch, this problem has been fixed in version
0.6.21-2+deb9u5.
We recommend that you upgrade your libexif packages.
For the detailed security status of libexif please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libexif
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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