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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, a large HTTP content type, when logged can cause a stack overflow crashing Suricata. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves limiting stream.reassembly.depth to less then half the stack size. Increasing the process stack size makes it less likely the bug will trigger."}], "id": "CVE-2025-64333", "lastModified": "2025-11-28T23:11:55.537", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-11-26T23:15:48.590", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-537h-xxmx-v87m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "Suricata: Suricata: Stack Overflow Vulnerability via Large HTTP Content Type Logging", "id": "2417395", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2417395"}, "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, leading to a crash, via a large HTTP (Hypertext Transfer Protocol) content type when logged."], "name": "CVE-2025-64333", "public_date": "2025-11-26T22:57:02Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-64333\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-64333\nhttps://github.com/OISF/suricata/security/advisories/GHSA-537h-xxmx-v87m"], "statement": "The vulnerability in Suricata allows a remote attacker to cause a denial of service by sending a crafted HTTP request with a large content type, leading to a stack overflow and application crash. The highest threat is to system availability.", "threat_severity": "Important"}

{"created": "2025-11-27T16:26:22.379987+00:00", "updated": "2025-11-27T16:26:22.380013+00:00", "vendors": ["oisf", "oisf$PRODUCT$suricata"]}