CVE-2021-46829

GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.

Published: Jul 24, 2022
Updated: Apr 14, 2023
CVE: CVE-2021-46829
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.8
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWEs:

CWE-787
CWE-190

Affected Software
References

Software	From	Fixed in
gnome / gdk-pixbuf	-	2.42.8
fedoraproject / fedora	35	35.x
debian / debian_linux	11.0	11.0.x

http://www.openwall.com/lists/oss-security/2022/07/25/1
https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121
https://lists.fedoraproject.org/archives/list/[email protected]/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/
https://www.debian.org/security/2022/dsa-5228
https://www.openwall.com/lists/oss-security/2022/07/23/1

Vulnerability Database

289,599

CVE-2021-46829