VDB
CVE-2026-6665
CVE-2026-6665
PUBLISHED
CVSS 8.100000381469727 HIGH
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.
EPSS 0.02% · 5.8th percentile
Risk Scores
CVSS v3.1
8.100000381469727
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.02%
5.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | PgBouncer | 0 |
Timeline
- May 9, 2026 EPSS Score
- May 9, 2026 CVE Published
- May 9, 2026 Security Advisory
- May 12, 2026 CVE Updated
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory
References
- https://www.pgbouncer.org/changelog.html#pgbouncer-125x url
- https://nvd.nist.gov/vuln/detail/CVE-2026-6665 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33110 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6664 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32185 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41602 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45130 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48431 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6665 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35439 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41610 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42898 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41614 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41612 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40374 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41636 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44656 advisory
…and 16 more