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 |