=========================================================================Ubuntu Security Notice USN-5680-1
October 14, 2022
gThumb vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in gThumb.
Software Description:
- 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 LTS:
gthumb 3:3.8.0-2.1ubuntu0.1
gthumb-data 3:3.8.0-2.1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5680-1
CVE-2019-20326, CVE-2020-36427
Package Information:
https://launchpad.net/ubuntu/+source/gthumb/3:3.8.0-2.1ubuntu0.1