Known vulnerabilities in Dovecot Dovecot 2.4.0

Vendor: Dovecot
Website: https://www.dovecot.org/
Total Security Bulletins: 5

Security bulletins (5)

Secuity bulletin Severity Status Published
SB2026040130: Information disclosure in Dovecot Low
Patched
01.04.2026
SB2026040129: Multiple vulnerabilities in Dovecot High
Patched
01.04.2026
SB2026040128: Denial of service in Dovecot ManageSieve Medium
Patched
01.04.2026
SB2026040127: Remote denial of service in Dovecot SASL implementation Medium
Patched
01.04.2026
SB2025101380: Improper authorization in Dovecot Medium
Patched
13.10.2025