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
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient Resource Pool (CVE-ID: CVE-2026-34019)
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.