{"id":"CVE-2026-43864","state":"PUBLISHED","title":"mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.","description":"mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.","publishedAt":"2026-05-04T06:10:52.725Z","updatedAt":"2026-05-04T18:26:15.822Z","severity":{"score":2.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","source":"mitre"},"assigner":"mitre","products":["mutt mutt"],"affected":[{"vendor":"mutt","product":"mutt","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.3.2","versionType":"semver"}]}],"references":["https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43864.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43864","state":"PUBLISHED","datePublished":"2026-05-04T06:10:52.725Z","dateUpdated":"2026-05-04T18:26:15.822Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-05-04T06:10:52.216Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"mutt before 2.3.2 has a show_sig_summary NULL pointer dereference."}],"affected":[{"vendor":"mutt","product":"mutt","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.3.2","versionType":"semver"}]}],"references":[{"url":"https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":2.5,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-04T18:26:15.822Z"},"x_generator":{"engine":"CVE-Request-form 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*","versionEndExcluding":"2.3.2"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-04T13:47:51.979760Z","id":"CVE-2026-43864","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-04T13:47:58.358Z"}}]}}}