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AUSCERT External Security Bulletin Redistribution
ESB-2022.5126
USN-5680-1: gThumb vulnerabilities
17 October 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: gThumb
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2020-36427 CVE-2019-20326
Original Bulletin:
https://ubuntu.com/security/notices/USN-5680-1
Comment: CVSS (Max): 7.8 CVE-2019-20326 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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USN-5680-1: gThumb vulnerabilities
14 October 2022
Several security issues were fixed in gThumb.
Releases
o Ubuntu 20.04 LTS
Packages
o gthumb - image viewer and browser
Details
It was discovered that gThumb did not properly managed
memory when processing certain image files. If a user were
tricked into opening a specially crafted JPEG file, an
attacker could possibly use this issue to cause gThumb to
crash, resulting in a denial of service, or possibly
execute arbitrary code. ( CVE-2019-20326 )
It was discovered that gThumb did not properly handled
certain malformed image files. If a user were tricked into
opening a specially crafted JPEG file, an attacker could
possibly use this issue to cause gThumb to crash, resulting
in a denial of service. ( CVE-2020-36427 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o gthumb-data - 3:3.8.0-2.1ubuntu0.1
o gthumb - 3:3.8.0-2.1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-20326
o CVE-2020-36427
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