BIT-pgbouncer-2026-6665

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Import Source

https://github.com/bitnami/vulndb/tree/main/data/pgbouncer/BIT-pgbouncer-2026-6665.json

JSON Data

https://api.osv.dev/v1/vulns/BIT-pgbouncer-2026-6665

Aliases

CVE-2026-6665

Published

2026-05-12T08:52:51.850Z

Modified

2026-05-15T11:00:09.950192Z

Summary

PgBouncer buffer overflow in SCRAM

Details

The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat() correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow.

Database specific

{
    "cpes": [
        "cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*"
    ],
    "severity": "Critical"
}

References

Affected packages

Bitnami / pgbouncer

Package

Name: pgbouncer
Purl: pkg:bitnami/pgbouncer

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.25.2

Database specific

source

"https://github.com/bitnami/vulndb/tree/main/data/pgbouncer/BIT-pgbouncer-2026-6665.json"