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MEDIUM · 5.9

CVE-2026-6666

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.

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
PgbouncerPgbouncer< 1.25.2

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2026-6666?

CVE-2026-6666 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 severe is CVE-2026-6666?

CVE-2026-6666 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-6666?

Check the references section above for vendor advisories and patch information. Affected products include: Pgbouncer Pgbouncer.