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CVE-2026-42395

Dovecot

Description

A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt. The login process is terminated, which can cause degradation or denial of service for logins. Deployments that do not configure trusted proxies are not affected. Restrict the list of trusted proxy networks to hosts that are fully under your control. 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 12:16:29
Versions concernées
unknown
Type
Autre
Dernière modification
2026-08-28 12:16:29
Vecteur
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L