| 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 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gdk-pixbuf (PTS) | jessie, jessie (lts) | 2.31.1-2+deb8u10 | fixed |
| stretch (security) | 2.36.5-2+deb9u2 | fixed |
| stretch (lts), stretch | 2.36.5-2+deb9u3 | fixed |
| buster, buster (lts) | 2.38.1+dfsg-1+deb10u1 | fixed |
| bullseye | 2.42.2+dfsg-1+deb11u2 | fixed |
| bullseye (security) | 2.42.2+dfsg-1+deb11u1 | fixed |
| bookworm | 2.42.10+dfsg-1+deb12u1 | fixed |
| sid, trixie | 2.42.12+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[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
[stretch] - gdk-pixbuf <not-affected> (Vulnerable code introduced later)
[jessie] - gdk-pixbuf <not-affected> (Vulnerable code introduced later)