{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6664","assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","state":"PUBLISHED","assignerShortName":"PostgreSQL","dateReserved":"2026-04-20T12:25:43.095Z","datePublished":"2026-05-09T00:43:42.640Z","dateUpdated":"2026-05-11T14:28:49.277Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL","dateUpdated":"2026-05-09T00:43:42.640Z"},"title":"PgBouncer integer overflow in PgBouncer network packet parsing","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."}],"affected":[{"defaultStatus":"unaffected","product":"PgBouncer","vendor":"n/a","versions":[{"lessThan":"1.25.2","version":"0","versionType":"semver","status":"affected"}]}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-190","type":"CWE","description":"Integer Overflow or Wraparound"}]}],"references":[{"url":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x"}],"metrics":[{"format":"CVSS","cvssV3_1":{"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"}}],"configurations":[{"lang":"en","value":"SCRAM client authentication is configured"}],"workarounds":[{"lang":"en","value":"Do not configure SCRAM for client authentication"}],"credits":[{"lang":"en","value":"Thanks to Johannes Möller for finding and reporting this problem.","type":"finder"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-11T14:28:40.974153Z","id":"CVE-2026-6664","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-11T14:28:49.277Z"}}]}}