| Name | CVE-2015-7674 |
| Description | Integer overflow in the pixops_scale_nearest function in pixops/pixops.c in gdk-pixbuf before 2.32.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted GIF image file, which triggers a heap-based buffer overflow. |
| 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-434-1, DLA-450-1, DSA-3378-1 |
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 | |
| gtk+2.0 (PTS) | buster | 2.24.32-3 | fixed |
| bookworm, bullseye | 2.24.33-2 | fixed | |
| trixie | 2.24.33-3 | fixed | |
| sid | 2.24.33-4 | 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 | wheezy | 2.26.1-1+deb7u4 | DLA-450-1 | ||
| gdk-pixbuf | source | jessie | 2.31.1-2+deb8u3 | DSA-3378-1 | ||
| gdk-pixbuf | source | (unstable) | 2.32.1-1 | |||
| gtk+2.0 | source | squeeze | 2.20.1-2+deb6u2 | DLA-434-1 | ||
| gtk+2.0 | source | (unstable) | 2.21.5-1 |
https://www.openwall.com/lists/oss-security/2015/10/01/4
Fix for CVE-2015-7674: https://git.gnome.org/browse/gdk-pixbuf/commit/?id=e9a5704edaa9aee9498f1fbf6e1b70fcce2e55aa (2.32.1)
Additional hardening against further overflows (but not part of the CVE assignment): https://git.gnome.org/browse/gdk-pixbuf/commit/?id=dbfe8f70471864818bf458a39c8a99640895bd22 (2.33.1)
The CVE is only assigned for the overflow in the pixops_scale_nearest function.
gtk+2.0 2.21.5-1 removed the embedded copy of gdk-pixbuf and build-depends on external gdk-pixbuf