CVE-2025-64335

alert http any any -> $HOME_NET any (msg:"NULL Pointer Dereference PoC"; content:"test"; entropy; base64_data; sid:1000001; rev:1;)

{"cve": {"id": "CVE-2025-64335", "sourceIdentifier": "[email protected]", "published": "2025-11-26T23:15:48.913", "lastModified": "2025-12-12T15:15:53.957", "vulnStatus": "Modified", "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. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0.0", "versionEndExcluding": "8.0.2", "matchCriteriaId": "C93A731C-19AD-4067-B28C-17164C2D981D"}]}]}], "references": [{"url": "https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2025-64335-detect-suricata-vulnerability", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2025-64335-mitigate-suricata-vulnerability", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}