| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5228-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gdk-pixbuf (PTS) | buster | 2.38.1+dfsg-1 | fixed |
| bullseye (security), bullseye | 2.42.2+dfsg-1+deb11u1 | fixed | |
| bookworm | 2.42.10+dfsg-1 | fixed | |
| sid, trixie | 2.42.10+dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gdk-pixbuf | source | buster | (not affected) | |||
| gdk-pixbuf | source | bullseye | 2.42.2+dfsg-1+deb11u1 | DSA-5228-1 | ||
| gdk-pixbuf | source | (unstable) | 2.42.8+dfsg-1 |
[buster] - gdk-pixbuf <not-affected> (Vulnerable code not present; GIF animation support added later)
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/6976bdc8ee9dd2c2954f91066f7b0f643769a379 (2.42.8)
https://www.openwall.com/lists/oss-security/2022/07/23/1
http://www.openwall.com/lists/oss-security/2022/07/25/1