Debian/dovecot: medium 4.3
When mail_max_userip_connections is set (default 10) and reached, submission-login can crash with epoll() panic caused by file descriptor handling issues. If running in high-security mode (default for
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-2026-33263#Debian:13/dovecot
- https://security-tracker.debian.org/tracker/CVE-2026-33263
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