| Name | CVE-2025-6199 |
| Description | A flaw was found in the GIF parser of GdkPixbuf’s LZW decoder. When an invalid symbol is encountered during decompression, the decoder sets the reported output size to the full buffer length rather than the actual number of written bytes. This logic error results in uninitialized sections of the buffer being included in the output, potentially leaking arbitrary memory contents in the processed image. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4225-1, DSA-5946-1 |
| Debian Bugs | 1107994 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gdk-pixbuf (PTS) | bullseye | 2.42.2+dfsg-1+deb11u2 | vulnerable |
| bullseye (security) | 2.42.2+dfsg-1+deb11u3 | fixed | |
| bookworm | 2.42.10+dfsg-1+deb12u1 | vulnerable | |
| bookworm (security) | 2.42.10+dfsg-1+deb12u2 | fixed | |
| sid, trixie | 2.42.12+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 | bullseye | 2.42.2+dfsg-1+deb11u3 | DLA-4225-1 | ||
| gdk-pixbuf | source | bookworm | 2.42.10+dfsg-1+deb12u2 | DSA-5946-1 | ||
| gdk-pixbuf | source | (unstable) | 2.42.12+dfsg-3 | 1107994 |
https://bugzilla.redhat.com/show_bug.cgi?id=2373147
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/257
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/191
Fixed by: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/c4986342b241cdc075259565f3fa7a7597d32a32 (2.43.2)