In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterizeedges8 due to an integer overflow in pixmansamplefloor_y.
References
- http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html
- http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html
- http://www.openwall.com/lists/oss-security/2022/11/05/1
- http://www.openwall.com/lists/oss-security/2022/11/05/1
- https://gitlab.freedesktop.org/pixman/pixman/-/issues/63
- https://gitlab.freedesktop.org/pixman/pixman/-/issues/63
- https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
- 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/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/
- 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/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/
- https://www.debian.org/security/2022/dsa-5276
- https://www.debian.org/security/2022/dsa-5276