High (7.5) in dovecot dovecot. EPSS 7.2% chance of exploitation in the next 30 days.
In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
7.2% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)