CVE-2026-63451

{"id": "CVE-2026-63451", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63451", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-21T16:21:22.661133Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "OISF", "product": "suricata", "versions": [{"status": "affected", "version": ">= 8.0.0, < 8.0.6"}]}]}], "published": "2026-09-18T21:17:04.510", "references": [{"url": "https://github.com/OISF/suricata/commit/5449ae170bfce213907d9bab87143a59774ed48f", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OISF/suricata/commit/d62acf5d75a61b76b16815e773408852f41b1975", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OISF/suricata/pull/15807", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OISF/suricata/releases/tag/suricata-8.0.6", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OISF/suricata/security/advisories/GHSA-6qwq-j83r-qp34", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://redmine.openinfosecfoundation.org/issues/8590", "tags": ["Permissions Required"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, a locally supplied detection rule that combines frame inspection without content and a transformed match without content can make src/detect-engine-prefilter.c select multiple non-prefilter frame engines while preparing signatures for non-prefilter inspection. Loading the crafted rule, including in test mode, can trigger a heap buffer overflow and crash Suricata; network traffic alone cannot reach the flaw. This issue is fixed in version 8.0.6."}], "lastModified": "2026-09-28T18:33:00.063", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAC11753-611D-4E10-9F9B-1C21DD2371C4", "versionEndExcluding": "8.0.6", "versionStartIncluding": "8.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}