CVE-2026-47088

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{"bugzilla": {"description": "cyrus-imapd: Cyrus IMAP: Information disclosure via heap exposure in MIME comment parsing", "id": "2501455", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2501455"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["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.", "A flaw was found in Cyrus IMAP (Internet Message Access Protocol) daemon, cyrus-imapd. An authenticated IMAP user could exploit a heap exposure vulnerability during nested Multipurpose Internet Mail Extensions (MIME) comment parsing. By crafting an email message with a specially formed RFC 822 comment, the server could be made to read beyond the message's boundary in memory, potentially disclosing sensitive heap content to the attacker."], "name": "CVE-2026-47088", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "cyrus-imapd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "cyrus-imapd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "cyrus-imapd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "cyrus-imapd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "cyrus-imapd", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47088\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47088\nhttps://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html\nhttps://www.cyrusimap.org/imap/download/release-notes/index.html"], "threat_severity": "Low"}

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