Veille CVE
CVE-2026-40687
9.1 CritiqueDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 4.8 Moyenne | cve@mitre.org | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L |
| 3.1 | 9.1 Critique | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Faiblesses (CWE)
Références
- https://code.exim.org/exim/exim/commit/68b963b9f75ca27b38e1c0f8c87037990199f505 Patch
- https://exim.org/static/doc/security/CVE-2026-40687.txt Broken Link
- https://exim.org/static/doc/security/cve-2026-04.1/CVE2026-40687.assessment Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/04/30/21 Mailing ListThird Party Advisory