In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.
github.com/python-pillow/Pillow
github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf
lists.debian.org/debian-lts-announce/2021/07/msg00018.html
lists.fedoraproject.org/archives/list/[email protected]/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE
lists.fedoraproject.org/archives/list/[email protected]/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD
nvd.nist.gov/vuln/detail/CVE-2020-35653
pillow.readthedocs.io/en/stable/releasenotes/index.html