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.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.79% chance of exploitation in the next 30 days, 54th percentile

Published

2022-07-24

Updated

2024-08-04

Proof-of-concept exploits (2)

• pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md
• https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190

References

• CVE Record
• NVD entry

Related

• CVE-2014-1201
• CVE-2014-1836
• CVE-2014-2921
• CVE-2014-2922
• CVE-2014-7862
• CVE-2016-6598