CVE-2022-44638

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

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

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

https://lists.fedoraproject.org/archives/list/[email protected]/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

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

Details

CVSS v3