CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
7.5
HIGH
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2026-6666
To remediate CVE-2026-6666, upgrade the affected package to a fixed version below.
- Bitnami/pgbouncer—upgrade to 1.25.2 or later
- Debian/pgbouncer—no fix listed
Is CVE-2026-6666 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.25.2
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |