High severity8.1NVD Advisory· Published May 9, 2026· Updated May 14, 2026
CVE-2026-6665
CVE-2026-6665
Description
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- www.pgbouncer.org/changelog.htmlnvdRelease Notes
News mentions
1- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026