CVE-2026-6666CWE-476

PgBouncer crash in kill_pool_logins_server_error

Medium · published May 9, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
33.6
In the wild
Unconfirmed
What it is

A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00405 · 33.6th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-05-09T00:43Z
EPSS history
Timeline
  • 09 MAY 00:43Z
    PgBouncer crash in kill_pool_logins_server_error
    cvelistv5