Detections
Analytics

CVE-2022-44638

high

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.

References

https://www.debian.org/security/2022/dsa-5276

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html

https://gitlab.freedesktop.org/pixman/pixman/-/issues/63

http://www.openwall.com/lists/oss-security/2022/11/05/1

http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html

Details

Source: Mitre, NVD

Published: 2022-11-03

Updated: 2025-05-02

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00288