Debian/dovecot: medium 6.5
An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to th
Action: Upgrade dovecot to 1:2.4.1+dfsg1-6+deb13u7 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:2.4.1+dfsg1-6+deb13u7 | - |
Fixed versions
| 1:2.4.1+dfsg1-6+deb13u7 |
Sources
- osv: DEBIAN-CVE-2026-40017#Debian:13/dovecot
- https://security-tracker.debian.org/tracker/CVE-2026-40017
published · modified · JSON