CVE-2026-43864

{"id": "CVE-2026-43864", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43864", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-04T13:47:51.979760Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.5, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.0}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "mutt", "product": "mutt", "versions": [{"status": "affected", "version": "0", "lessThan": "2.3.2", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-04T07:16:01.190", "references": [{"url": "https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "mutt before 2.3.2 has a show_sig_summary NULL pointer dereference."}], "lastModified": "2026-06-17T10:49:59.780", "sourceIdentifier": "cve@mitre.org"}