{"id":"CVE-2026-47088","state":"PUBLISHED","title":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message ","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. When parsing the message, the server would read past the message's end in memory, and read into the heap, returning the read content to the user.","publishedAt":"2026-07-16T00:00:00.000Z","updatedAt":"2026-07-16T19:01:31.618Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"mitre"},"assigner":"mitre","products":["cyrusimap Cyrus IMAP"],"affected":[{"vendor":"cyrusimap","product":"Cyrus IMAP","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.12.3","versionType":"semver"}]}],"references":["https://www.cyrusimap.org/imap/download/release-notes/index.html","https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html"],"weaknesses":["CWE-126"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47088.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47088","state":"PUBLISHED","datePublished":"2026-07-16T00:00:00.000Z","dateUpdated":"2026-07-16T19:01:31.618Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-05-18T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. When parsing the message, the server would read past the message's end in memory, and read into the heap, returning the read content to the user."}],"affected":[{"vendor":"cyrusimap","product":"Cyrus IMAP","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.12.3","versionType":"semver"}]}],"references":[{"url":"https://www.cyrusimap.org/imap/download/release-notes/index.html"},{"url":"https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-126","description":"CWE-126 Buffer Over-read","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-07-16T18:40:14.595Z"},"x_generator":{"engine":"enrichogram 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cyrusimap:cyrus_imap:*:*:*:*:*:*:*:*","versionEndExcluding":"3.12.3"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T19:01:24.459903Z","id":"CVE-2026-47088","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":"2026-07-16T19:01:31.618Z"}}]}}}