{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:50964",
  "related": [],
  "upstream": [
    "CVE-2026-43964"
  ],
  "published": "2026-08-06T10:14:13Z",
  "modified": "2026-08-07T10:28:30Z",
  "summary": "Red Hat Security Advisory: postfix security update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "postfix",
        "ecosystem": "Red Hat:rhel_e4s:8.8::baseos",
        "purl": "pkg:rpm/redhat/postfix"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:3.5.8-4.el8_8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "postfix",
        "ecosystem": "Red Hat:rhel_tus:8.8::baseos",
        "purl": "pkg:rpm/redhat/postfix"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:3.5.8-4.el8_8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:50964"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/#important"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466488"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_50964.json"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43964"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43964"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43964"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mail-archive.com/postfix-announce@postfix.org/msg00110.html"
    }
  ]
}