NULL Pointer Dereference Affecting pgbouncer/pgbouncer package, versions [,1.25.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published1 Jun 2026
- disclosed9 May 2026
- creditHarutoKimura
Introduced: 9 May 2026
NewCVE-2026-6666 (opens in a new tab)How to fix?
Upgrade pgbouncer/pgbouncer to version 1.25.2 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the kill_pool_logins_server_error() function. An attacker can crash the server by sending a malformed ErrorResponse that does
not include an SQLSTATE error code.