An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap/command.c mishandles a NO response without a message.
https://github.com/neomutt/neomutt/commit/36a29280448097f34ce9c94606195f2ac643fed1
https://gitlab.com/muttmua/mutt/commit/9347b5c01dc52682cb6be11539d9b7ebceae4416
https://lists.debian.org/debian-lts-announce/2018/08/msg00001.html
https://neomutt.org/2018/07/16/release
https://security.gentoo.org/glsa/201810-07
Source: MITRE
Published: 2018-07-17
Updated: 2020-05-20
Type: CWE-20
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