cve/2021/CVE-2021-46829.md

CVE-2021-46829

Description

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.

POC

Reference

• 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/-/issues/190

Github

• https://github.com/ARPSyndicate/cvemon