CVE-2026-43863

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{"bugzilla": {"description": "mutt: Mutt: Remote Denial of Service via crafted input", "id": "2464865", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464865"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["A flaw was found in mutt, an email client. A remote attacker could exploit this vulnerability by sending specially crafted input, which would trigger an infinite loop in the `data_object_to_stream` function. This issue, located in the `crypt-gpgme.c` component, can lead to a Denial of Service (DoS), causing the application to become unresponsive."], "name": "CVE-2026-43863", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mutt", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "mutt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "mutt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mutt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mutt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-04T06:05:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43863\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43863\nhttps://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4"], "threat_severity": "Low"}

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