9.1

CVE-2026-40687

Medienbericht
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version < 4.99.2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.37% 0.289
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
cve@mitre.org 4.8 2.2 2.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE-909 Missing Initialization of Resource

The product does not initialize a critical resource.

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VulnDex Intel
Media Report
04.05.2026 17:53
https://www.openwall.com/lists/oss-security/2026/04/30/21
Third Party Advisory
Mailing List
https://exim.org/static/doc/security/cve-2026-04.1/CVE2026-40687.assessment
Vendor Advisory
https://code.exim.org/exim/exim/commit/68b963b9f75ca27b38e1c0f8c87037990199f505
Patch
https://exim.org/static/doc/security/CVE-2026-40687.txt
Broken Link