VULNERABILITY INTELLIGENCE

CVE-2026-6664

CVSS score7.5 HIGH
EPSS probability0.70%
CISA KEVNot currently listed
Published2026-05-09
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • f86ef6dc-4d3a-42ad-8f28-e6d5547a5007: CWE-190

Primary references