| Name | CVE-2022-44638 |
| Description | In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-3179-1, DSA-5276-1 |
| Debian Bugs | 1023427 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| pixman (PTS) | buster | 0.36.0-1 | vulnerable |
| buster (security) | 0.36.0-1+deb10u1 | fixed | |
| bullseye (security), bullseye | 0.40.0-1.1~deb11u1 | fixed | |
| bookworm, sid | 0.42.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| pixman | source | buster | 0.36.0-1+deb10u1 | DLA-3179-1 | ||
| pixman | source | bullseye | 0.40.0-1.1~deb11u1 | DSA-5276-1 | ||
| pixman | source | (unstable) | 0.40.0-1.1 | 1023427 |
https://gitlab.freedesktop.org/pixman/pixman/-/commit/a1f88e842e0216a5b4df1ab023caebe33c101395 (pixman-0.42.2)
https://gitlab.freedesktop.org/pixman/pixman/-/issues/63
https://bugs.chromium.org/p/project-zero/issues/detail?id=2345