CVE-2026-6664

{"id": "CVE-2026-6664", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-05-09T01:16:08.863", "references": [{"url": "https://www.pgbouncer.org/changelog.html#pgbouncer-125x", "tags": ["Release Notes"], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet."}], "lastModified": "2026-05-14T18:52:42.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC45BB66-2289-466A-BC28-113710202BA5", "versionEndExcluding": "1.25.2"}], "operator": "OR"}]}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}