SB2026051450 - Remote denial of service in BIG-IP BFD

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Main Vulnerability Database SB2026051450

SB2026051450 - Remote denial of service in BIG-IP BFD

Published: May 14, 2026

Security Bulletin ID SB2026051450
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Insufficient Resource Pool (CVE-ID: CVE-2026-34019)

CWE-ID: CWE-410 - Insufficient Resource Pool

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service on the configured routing protocol.

The vulnerability exists due to insufficient resource pool in BFD configured in static and dynamic routing protocols when processing undisclosed traffic. A remote attacker can send undisclosed traffic to cause a denial of service on the configured routing protocol.

There is no control plane exposure; this is a data plane issue only.


Remediation

Install update from vendor's website.

References