{"id":"BIT-pgbouncer-2026-6664","summary":"PgBouncer integer overflow in PgBouncer network packet parsing","details":"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.","aliases":["CVE-2026-6664"],"modified":"2026-09-08T08:48:24.742455778Z","published":"2026-05-12T08:52:50.459Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6664"},{"type":"ARTICLE","url":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x"}],"affected":[{"package":{"name":"pgbouncer","ecosystem":"Bitnami","purl":"pkg:bitnami/pgbouncer"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/pgbouncer/BIT-pgbouncer-2026-6664.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}