CVEvulnerability
CVE-2026-6664
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-09
- Last modified
- 2026-07-24
- Assigner
- f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
- CVSS 3.1 (f86ef6dc-4d3a-42ad-8f28-e6d5547a5007)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190
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 configurations
• pgbouncer pgbouncer (< 1.25.2)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://www.pgbouncer.org/changelog.html#pgbouncer-125x Release Notes