{"cve":"CVE-2026-43964","nvd":{"published":"2026-05-04T19:16:07.143","modified":"2026-08-20T13:18:37.960","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-193"],"references":["https://www.mail-archive.com/postfix-announce@postfix.org/msg00110.html","http://www.openwall.com/lists/oss-security/2026/05/04/30","https://access.redhat.com/errata/RHSA-2026:25930","https://access.redhat.com/errata/RHSA-2026:25932","https://access.redhat.com/errata/RHSA-2026:26205"],"products":["postfix:postfix"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-43964","score":0.00511,"percentile":0.43578,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}