CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-476 |
| Vendor | n/a |
| Product | pgbouncer |
| Published | May 9, 2026 |
Stay Ahead of the Next One
Get instant alerts for n/a pgbouncer
Be the first to know when new medium vulnerabilities affecting n/a pgbouncer are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / PgBouncer
0 < 1.25.2
References
Credits
Thanks to HarutoKimura for finding and reporting this problem.