Bug 2468432 (CVE-2026-6664) - CVE-2026-6664 PgBouncer: PgBouncer: Denial of Service via malformed SCRAM authentication packet
Summary: CVE-2026-6664 PgBouncer: PgBouncer: Denial of Service via malformed SCRAM aut...
Keywords:
Status: NEW
Alias: CVE-2026-6664
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2477909 2477910
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-09 02:01 UTC by OSIDB Bzimport
Modified: 2026-05-15 15:51 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-05-09 02:01:26 UTC 
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.
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