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.

DEBIAN:DSA-5228 | URL:https://www.debian.org/security/2022/dsa-5228 | FEDORA:FEDORA-2022-7254ec5e96 | URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/ | MISC:https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md | MISC:https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512 | MISC:https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2 | MISC:https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190 | MISC:https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121 | MISC:https://www.openwall.com/lists/oss-security/2022/07/23/1 | MLIST:[oss-security] 20220725 Re: CVE Request: heap buffer overflow in gdk-pixbuf | URL:http://www.openwall.com/lists/oss-security/2022/07/25/1