CVE-2026-6666

EUVD-2026-28878
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 28%
Affected Products (NVD)
VendorProductVersion
pgbouncerpgbouncer
𝑥
< 1.25.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pgbouncer
bookworm
no-dsa
bullseye
postponed
bullseye (security)
vulnerable
forky
1.25.2-1
fixed
sid
1.25.2-1
fixed
trixie
1.24.1-1+deb13u2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
pgbouncer
Azure Linux 3.0
0:1.25.2-1.azl3
fixed
Common Weakness Enumeration
References
https://www.pgbouncer.org/changelog.html#pgbouncer-125x