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CVE-2026-27858

Dovecot

Popis

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known.

CVSS 7.5EPSS 0.79%Riziko 0.8
Zobraziť zdroj
Zverejnené
2026-03-27 09:16:20
Dotknuté verzie
unknown
Typ
Core software
Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H