CVE-2022-44638

Publication date 3 November 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
pixman 23.04 lunar
Fixed 0.40.0-1.1
22.10 kinetic
Fixed 0.40.0-1ubuntu0.22.10.1
22.04 LTS jammy
Fixed 0.40.0-1ubuntu0.22.04.1
20.04 LTS focal
Fixed 0.38.4-0ubuntu2.1
18.04 LTS bionic
Fixed 0.34.0-2ubuntu0.1
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pixman

Severity score breakdown

Parameter Value
Base score 8.8 · High
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

References

Related Ubuntu Security Notices (USN)

Other references