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{"bugzilla": {"description": "Suricata: Suricata: Stack overflow in Lua scripts due to large buffers", "id": "2417421", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2417421"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in Suricata. This vulnerability allows a stack overflow via working with large buffers in Lua scripts."], "name": "CVE-2025-64344", "public_date": "2025-11-26T23:05:33Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-64344\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-64344\nhttps://github.com/OISF/suricata/commit/e13fe6a90dba210a478148c4084f6f5db17c5b5a\nhttps://github.com/OISF/suricata/security/advisories/GHSA-93fh-cgmc-w3rx"], "statement": "The highest threat is to system availability due to a stack overflow in Suricata when processing large buffers within Lua rules and output scripts. This issue specifically affects deployments utilizing Lua scripting capabilities with potentially large data streams.", "threat_severity": "Important"}