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CVE-2026-40687

Exim

Description

In Exim before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be an out-of-bounds write that crashes the connection instance, or erroneous data processing that divulges data from uninitialized heap memory.

CVSS 4.8EPSS 0.373%Risque 0.5
Voir la source
Publication
2026-04-30 22:16:25
Versions concernées
<4.99.2
Type
Core software
Vecteur
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L