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CVE-2026-40015

dovecot

Description

An attacker that has valid credentials can open many connections to the imap-hibernate service and send invalid commands, which can intermittently cause an out-of-bounds read and crash the process. The crash interrupts hibernated IMAP sessions handled by the affected process, which can cause degradation of service for IMAP. Disable IMAP hibernation. Update to non-vulnerable version. No publicly available exploits are known.

CVSS 4.3EPSS 0%Risque 0.43
Voir la source
Publication
2026-08-28 12:16:28
Versions concernées
unknown
Type
Autre
Dernière modification
2026-08-28 12:16:28
Vecteur
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L