CVE-2022-44638
Published: 3 November 2022
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pixman Launchpad, Ubuntu, Debian |
jammy |
Released
(0.40.0-1ubuntu0.22.04.1)
|
| kinetic |
Released
(0.40.0-1ubuntu0.22.10.1)
|
|
| xenial |
Released
(0.33.6-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| bionic |
Released
(0.34.0-2ubuntu0.1)
|
|
| focal |
Released
(0.38.4-0ubuntu2.1)
|
|
| upstream |
Released
(0.42.2)
|
|
| trusty |
Released
(0.30.2-2ubuntu1.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| lunar |
Released
(0.40.0-1.1)
|
|
|
Patches: upstream: https://gitlab.freedesktop.org/pixman/pixman/-/commit/a1f88e842e0216a5b4df1ab023caebe33c101395 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |