CVE-2026-34019 (GCVE-0-2026-34019)

Vulnerability from cvelistv5 – Published: 2026-05-13 14:12 – Updated: 2026-05-13 16:16
VLAI?
Title
BIG-IP BFD vulnerability
Summary
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.
Severity ?
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-410 - Insufficient Resource Pool
Assigner
f5
References
Impacted products
Vendor Product Version
F5 BIG-IP Unaffected: 21.0.0 , < * (custom)
Affected: 17.5.0 , < 17.5.1 (custom)
Affected: 17.1.0 , < 17.1.3 (custom)
Affected: 16.1.0 , < * (custom)
Create a notification for this product.
Credits
F5
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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