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Medium · 5.3 CVE-2026-34019 EUVD-2026-29963GHSA-996c-hhrm-w2q5

BIG-IP BFD vulnerability

Published May 13, 2026 · Updated May 13, 2026 · Assigned by f5

Description

When Bidirectional Forwarding Detection (BFD) is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to stop processing BFD packets and cause the configured routing protocol to fail over.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 17.5.0 – < 17.5.1, 17.1.0 – < 17.1.3, 16.1.0 17.5.1

References