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USN-5680-1: gThumb vulnerabilities

14 October 2022

Several security issues were fixed in gThumb.

Releases

Packages

  • 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

In general, a standard system update will make all the necessary changes.