cve-2026-6664

HIGH vulncheck_kev
Description

An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet.

Timeline
Published
2026-05-20 00:00 UTC
Last Modified
2026-05-20
CVSS Details

CVSS details not available.

Affected Products

No product information available.

References

No references available.

Linked Vulnerabilities
azurelinux3-86234 azure_linux 

{
  "cvss": 0.0,
  "datePublished": "2026-05-20T00:00:00Z",
  "dateUpdated": "2026-05-20T00:00:00Z",
  "description": "An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet.",
  "dueDate": "",
  "id": "CVE-2026-6664",
  "kev_catalogs": [
    "vulncheck"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "product": "PgBouncer",
  "requiredAction": "Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.",
  "severity": "HIGH",
  "source": "vulncheck_kev",
  "title": "pgbouncer pgbouncer Integer Overflow or Wraparound",
  "vendor": "PgBouncer"
}
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