High severity7.5NVD Advisory· Published May 9, 2026· Updated May 14, 2026
CVE-2026-6664
CVE-2026-6664
Description
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 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