CVE-2026-43964
7.5 ÉlevéeDescription
Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number.
Produits concernés
- Postfix
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 6
- Postfix postfix
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 3.7 Faible | cve@mitre.org | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | 7.5 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 7.5 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Faiblesses (CWE)
Références
- https://www.mail-archive.com/postfix-announce@postfix.org/msg00110.html Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/05/04/30 Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2026:25930
- https://access.redhat.com/errata/RHSA-2026:25932
- https://access.redhat.com/errata/RHSA-2026:26205
- https://access.redhat.com/errata/RHSA-2026:50963
- https://access.redhat.com/errata/RHSA-2026:50964
- https://access.redhat.com/errata/RHSA-2026:51034
- https://access.redhat.com/errata/RHSA-2026:51436
- https://access.redhat.com/errata/RHSA-2026:57174
- https://access.redhat.com/security/cve/CVE-2026-43964
- https://bugzilla.redhat.com/show_bug.cgi?id=2466488
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43964.json