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.
https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/
Source: Mitre, NVD
Published: 2021-01-12
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Severity: High