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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-6664

PgBouncer integer overflow in PgBouncer network packet parsing

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Status
Published
Published
Updated
Assigning organization
PostgreSQL

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n/a PgBouncer

Default version status: unaffected

  • 0 to < 1.25.2affected

References