VDB
CVE-2026-43964
CVE-2026-43964
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Postfix ist ein Open Source Email Server für Linux und unix-basierte Betriebssysteme.
EPSS 0.51% · 42.5th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.51%
42.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Ubuntu Linux | |
| Red Hat | Red Hat Enterprise Linux | |
| Open Source | Open Source Postfix <3.10.9 | |
| IBM | IBM QRadar SIEM | |
| Oracle | Oracle Linux | |
| SUSE | SUSE Linux | |
| SUSE | SUSE openSUSE | |
| Microsoft | Microsoft Azure Linux azl3 | |
| Open Source | Open Source Postfix <3.8.16 | |
| Open Source | Open Source Postfix <3.9.10 | |
| RESF | RESF Rocky Linux | |
| Fedora | Fedora Linux |
Timeline
- May 4, 2026 CVE Published
- May 4, 2026 PoC Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
References
- https://access.redhat.com/errata/RHSA-2026:25932 advisory
- https://access.redhat.com/errata/RHSA-2026:50964 advisory
- https://access.redhat.com/errata/RHSA-2026:50963 advisory
- https://access.redhat.com/errata/RHSA-2026:51034 advisory
- https://access.redhat.com/errata/RHSA-2026:51436 advisory
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1352.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1352 advisory
- https://github.com/advisories/GHSA-c4gx-p7gq-g6hp advisory
- https://www.openwall.com/lists/oss-security/2026/05/04/30 advisory
- https://ubuntu.com/security/notices/USN-8253-1 advisory
- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZO4LOHR75HKYCKH5Q4DTVUDIW76KSHBV/ advisory
- https://msrc.microsoft.com/update-guide/ advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-5cf8cc5f32 advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-b1d51e524d advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9fc21d7e2 advisory
- https://access.redhat.com/errata/RHSA-2026:25930 advisory
- https://linux.oracle.com/errata/ELSA-2026-25932.html advisory
- https://errata.build.resf.org/RLSA-2026:25932 advisory
- https://errata.build.resf.org/RLSA-2026:26205 advisory
- https://errata.build.resf.org/RLSA-2026:25930 advisory
…and 7 more