Gentoo update for Pixman

1) Out-of-bounds write

EUVDB-ID: #VU69176

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-44638

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the rasterize_edges_8() function. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected packages.
x11-libs/pixman to version: 0.42.2

Vulnerable software versions

Gentoo Linux: All versions

x11-libs/pixman: before 0.42.2

CPE2.3

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*
• cpe:2.3:a:gentoo:x11-libs_pixman:*:*:*:*:*:gentoo_linux:*:*

External links

https://security.gentoo.org/glsa/202407-04

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.