CVE-2026-22263

{"id": "CVE-2026-22263", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-01-27T19:16:14.490", "references": [{"url": "https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://redmine.openinfosecfoundation.org/issues/8201", "tags": ["Permissions Required"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-1050"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, inefficiency in http1 headers parsing can lead to slowdown over multiple packets. Version 8.0.3 patches the issue. No known workarounds are available."}], "lastModified": "2026-01-29T21:00:55.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7DA8362-52A2-4ACC-83F7-CA2E77AE89C6", "versionEndExcluding": "8.0.3", "versionStartIncluding": "8.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}