CVE-2026-54332: GoPacket's sFlow ExtendedGatewayFlow decoder: unbounded attacker-controlled allocation (104-byte UDP datagram -> up to 16 GiB make) -> unauthenticated remote DoS

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-08-07

Last Updated

2026-09-05

EPSS Score

0.50% (percentile: 41.4%)

Affected Products (2)

Other

• 21693-17084
• 21631-17084

Security Updates (1)

• CBL-Mariner Releases

Revision History

• 2026-08-07: Information published.
• 2026-08-11: Information published.
• 2026-08-13: Information published.
• 2026-08-23: Information published.
• 2026-09-05: Information published.