CVE-2025-67896

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{"bugzilla": {"description": "exim: Exim: Remote heap corruption vulnerability", "id": "2422034", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422034"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation."], "name": "CVE-2025-67896", "public_date": "2025-12-14T04:00:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-67896\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67896\nhttps://exim.org/static/doc/security/\nhttps://www.openwall.com/lists/oss-security/2025/12/11/2"], "statement": "This vulnerability is rated Critical for Red Hat products as it affects Exim, a mail transfer agent, allowing a remote attacker to exploit a heap corruption flaw. This could lead to a denial of service or arbitrary code execution. This issue impacts Exim in Community Projects, including EPEL and Fedora.", "threat_severity": "Moderate"}

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