CVE-2026-6666

MEDIUM

PgBouncer crash in kill_pool_logins_server_error

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 5.9
EPSS 0.0037
EPSS Percentile 28.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (2)
None/PgBouncer < 1.25.2
pgbouncer/pgbouncer < 1.25.2
Published May 09, 2026
Tracked Since May 09, 2026