Debian Security Advisory

DLA-2749-1 gthumb -- LTS security update

Date Reported:
29 Aug 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2019-20326.
More information:

An issue has been found in gthumb, an image viewer and browser. A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.

For Debian 9 stretch, this problem has been fixed in version 3:

We recommend that you upgrade your gthumb packages.

For the detailed security status of gthumb please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: