CVE-2026-6669 Unbounded SCRAM iteration count causes CPU exhaustion in PgBouncer
| Reporter | Title | Published | Views | Family All 31 |
|---|---|---|---|---|
 | The vulnerability of the SCRAM (Salted Challenge Response Authentication Mechanism) mechanism in the PostgreSQL PgBouncer connection pool allows a attacker to induce a service failure. | 25 Sep 202600:00 | – | bdu_fstec |
 | CVE-2026-6669 affecting package pgbouncer for versions less than 1.26.0-1 | 6 Oct 202618:59 | – | cbl_mariner |
 | CVE-2026-6669 | 23 Sep 202616:04 | – | cve |
 | CVE-2026-6669 | 23 Sep 202616:04 | – | debiancve |
 | EUVD-2026-85364 | 23 Sep 202616:04 | – | euvd |
 | [SECURITY] Fedora 45 Update: pgbouncer-1.26.0-1.fc45 | 5 Oct 202600:21 | – | fedora |
| [SECURITY] Fedora 43 Update: pgbouncer-1.26.0-1.fc43 | 5 Oct 202601:24 | – | fedora |
| [SECURITY] Fedora 44 Update: pgbouncer-1.26.0-1.fc44 | 5 Oct 202601:06 | – | fedora |
 | Fedora 43 : pgbouncer (2026-6197f5c17e) | 5 Oct 202600:00 | – | nessus |
| Fedora 45 : pgbouncer (2026-851c3ccde8) | 5 Oct 202600:00 | – | nessus |
10
[
{
"defaultStatus": "unaffected",
"product": "PgBouncer",
"vendor": "n/a",
"versions": [
{
"version": "0",
"lessThanOrEqual": "1.25.2",
"versionType": "semver",
"status": "affected"
}
]
}
]| Source | Link |
|---|---|
| pgbouncer | www.pgbouncer.org/changelog.html |
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23 Sep 2026 16:04Current
CVSS 3.15.9
EPSS0.00314
SSVC