CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
At a glance
- Severity
- MEDIUM 5.9
- EPSS
- EPSS 0.37 % · percentile 31 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- PostgreSQL
- NVD status
- Analyzed
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.
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | PostgreSQL |
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:* < 1.25.2
Affected products
References
Sources