[ GLSA 202008-05 ] gThumb

[GLSA]

Gentoo Linux Security Advisory

Title: gThumb: Arbitrary code execution (GLSA 202008-05)
Severity: normal
Exploitable: remote
Date: 2020-08-08
Bug(s): #712932
ID: 202008-05

Synopsis

A buffer overflow in gThumb might allow remote attacker(s) to
execute arbitrary code.


Background

gThumb is an image viewer and browser for GNOME.

Affected Packages

Package: media-gfx/gthumb
Vulnerable: < 3.10.0
Unaffected: >= 3.10.0
Architectures: All supported architectures


Description

A heap-based buffer overflow in gThumb’s
_cairo_image_surface_create_from_jpeg() function, located in
extensions/cairo_io/cairo-image-surface-jpeg.c was discovered.


Impact

A remote attacker could entice a user to open a specially crafted image
file using gThumb, possibly resulting in execution of arbitrary code with
the privileges of the process or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All gThumb users should upgrade to the latest version: