1. Ubuntu Security Notices
  2. USN-5681-1

USN-5681-1: gThumb vulnerabilities

Publication date

14 October 2022

Overview

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 under certain circumstances. An attacker could
possibly use this issue to cause gThumb to crash, resulting
in a denial of service, or possibly execute arbitrary code.
(CVE-2018-18718)

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. (

It was discovered that gThumb did not properly managed
memory under certain circumstances. An attacker could
possibly use this issue to cause gThumb to crash, resulting
in a denial of service, or possibly execute arbitrary code.
(CVE-2018-18718)

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

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic gthumb-data –  3:3.6.1-1ubuntu0.1~esm1  
gthumb –  3:3.6.1-1ubuntu0.1~esm1  
16.04 xenial gthumb-data –  3:3.4.3-1ubuntu0.1~esm1  
gthumb –  3:3.4.3-1ubuntu0.1~esm1  

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References

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