CVE-2026-40687
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
4.8 / 10
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Vulnerability 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.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-909
Source
NVD
Vendor
Exim
Product
Exim
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