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CVE-2026-43964

🗓️ 04 May 2026 18:10:10Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 92 Views

CVE-2026-43964 causes buffer over-read crash in Postfix from incomplete enhanced status code.

Related
Detection
Affected
Refs
Social
NVD
Vulners
CNA
Node
postfixpostfixRange<3.8.16
OR
postfixpostfixRange3.9.03.9.10
OR
postfixpostfixRange3.10.03.10.9
[
  {
    "defaultStatus": "unaffected",
    "product": "Postfix",
    "vendor": "Postfix",
    "versions": [
      {
        "lessThan": "3.8.16",
        "status": "affected",
        "version": "2.3",
        "versionType": "custom"
      },
      {
        "lessThan": "3.9.10",
        "status": "affected",
        "version": "3.9",
        "versionType": "custom"
      },
      {
        "lessThan": "3.10.9",
        "status": "affected",
        "version": "3.10",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 10:50Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.13.7 - 7.5
EPSS0.00307
SSVC
92