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P4Verified
Unbounded SCRAM iteration count causes CPU exhaustion in PgBouncer
CVE-2026-6669 affects azl3 pgbouncer 1.25.2-1 on Azure Linux 3.0. CVSS base score 5.9 (Microsoft Security Response Center). EPSS 0.00314 (percentile 0.22102), scored 2026-10-03. Fixed version: 1.26.0-1.
- CVE
- CVE-2026-6669
- Product
- azl3 pgbouncer 1.25.2-1 on Azure Linux 3.0
- CCR priority
- 23.7 /100 (P4)
- CVSS
- 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
- EPSS
- 0.00314 · percentile 0.221 · 2026-10-04
- KEV
- no
Affected products
- azl3 pgbouncer 1.25.2-1 on Azure Linux 3.0
- pgbouncer · Fixed version: 1.26.0-1
Provenance
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-05 08:16:32.814186+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-6669.html