libImaging/PcxDecode.c in Pillow before 6.2.2 has a PCX P mode buffer overflow.
https://www.debian.org/security/2020/dsa-4631
https://usn.ubuntu.com/4272-1/
https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html
https://github.com/python-pillow/Pillow/commit/93b22b846e0269ee9594ff71a72bec02d2bea8fd
https://access.redhat.com/errata/RHSA-2020:0694
https://access.redhat.com/errata/RHSA-2020:0683
https://access.redhat.com/errata/RHSA-2020:0681
https://access.redhat.com/errata/RHSA-2020:0580
Published: 2020-01-03
Updated: 2024-11-21
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Critical