{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45751", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T06:54:34.221Z", "datePublished": "2026-09-10T20:28:30.868Z", "dateUpdated": "2026-09-10T20:28:30.868Z"}, "containers": {"cna": {"title": "Suricata detect/transform: use-after-free in dotprefix transform", "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "lang": "en", "description": "CWE-416: Use After Free", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/OISF/suricata/security/advisories/GHSA-59q6-j4w8-8pjx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OISF/suricata/security/advisories/GHSA-59q6-j4w8-8pjx"}, {"name": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315", "tags": ["x_refsource_MISC"], "url": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"}, {"name": "https://redmine.openinfosecfoundation.org/issues/8537", "tags": ["x_refsource_MISC"], "url": "https://redmine.openinfosecfoundation.org/issues/8537"}], "affected": [{"vendor": "OISF", "product": "suricata", "versions": [{"version": "< 7.0.16", "status": "affected"}, {"version": ">= 8.0.0, < 8.0.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-10T20:28:30.868Z"}, "descriptions": [{"lang": "en", "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's inspection-buffer helper could leave an inspection pointer referencing freed memory after a chained transform caused the backing buffer to be reallocated. The issue is reached during a specific network traffic processing, and requires a specific but not malicious rule. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, avoid rules that chain `dotprefix` transform after another one."}], "source": {"advisory": "GHSA-59q6-j4w8-8pjx", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "suricata", "vendor": "OISF", "versions": [{"status": "affected", "version": "< 7.0.16"}, {"status": "affected", "version": ">= 8.0.0, < 8.0.5"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's inspection-buffer helper could leave an inspection pointer referencing freed memory after a chained transform caused the backing buffer to be reallocated. The issue is reached during a specific network traffic processing, and requires a specific but not malicious rule. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, avoid rules that chain `dotprefix` transform after another one."}], "id": "CVE-2026-45751", "lastModified": "2026-09-10T21:34:14.253", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-10T21:17:27.260", "references": [{"source": "[email protected]", "url": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"}, {"source": "[email protected]", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-59q6-j4w8-8pjx"}, {"source": "[email protected]", "url": "https://redmine.openinfosecfoundation.org/issues/8537"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"created": "2026-09-10T22:30:08.613843+00:00", "updated": "2026-09-10T22:30:08.613849+00:00", "vendors": []}