libImaging/PcxDecode.c in Pillow before 6.2.2 has a PCX P mode buffer overflow.
https://access.redhat.com/errata/RHSA-2020:0566
https://access.redhat.com/errata/RHSA-2020:0578
https://access.redhat.com/errata/RHSA-2020:0580
https://access.redhat.com/errata/RHSA-2020:0681
https://access.redhat.com/errata/RHSA-2020:0683
https://access.redhat.com/errata/RHSA-2020:0694
https://github.com/python-pillow/Pillow/commit/93b22b846e0269ee9594ff71a72bec02d2bea8fd
https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html
Source: MITRE
Published: 2020-01-03
Updated: 2020-07-10
Type: CWE-120
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL