{"id":"AZL-86237","summary":"CVE-2026-6665 affecting package pgbouncer for versions less than 1.25.2-1","details":"The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat() correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow.","modified":"2026-08-28T17:47:58.907966810Z","published":"2026-05-09T01:16:09Z","upstream":["CVE-2026-6665"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6665"}],"affected":[{"package":{"name":"pgbouncer","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/pgbouncer"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86237.json"}}],"schema_version":"1.9.0"}