CVE-2026-6664 (GCVE-0-2026-6664)

Vulnerability from cvelistv5 – Published: 2026-05-09 00:43 – Updated: 2026-05-11 14:28
VLAI
Title
PgBouncer integer overflow in PgBouncer network packet parsing
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 14:28 UTC
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a PgBouncer Affected: 0 , < 1.25.2 (semver)
Credits
Thanks to Johannes Möller for finding and reporting this problem.
Show details on NVD website
To clipboard 

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