CVE-2026-59762

Summary

When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.  

Impact: System performance can degrade until the TMM process is either forced to restart or is manually restarted. This vulnerability allows a remote, unauthenticated attacker to cause a degradation of service that can lead to a denial-of-service (DoS) on the BIG-IP system. There is no control plane exposure; this is a data plane issue only.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

VendorProductVersion RangeStatus
F5BIG-IP21.1.0 < 21.1.0.1affected
F5BIG-IP21.0.0 < 21.0.0.3affected
F5BIG-IP17.5.0 < 17.5.1.8affected
F5BIG-IP17.1.0 < 17.1.3.4affected
F5BIG-IP Next for Kubernetes2.3.0 < 2.3.2affected
F5BIG-IP Next for Kubernetes2.0.0 < 2.2.3affected
F5BIG-IP Next SPK1.9.0 < *affected
F5BIG-IP Next SPK1.7.0 < 1.7.18affected
F5BIG-IP Next CNF2.3.0 < 2.3.2affected
F5BIG-IP Next CNF2.0.0 < 2.2.3affected
F5BIG-IP Next CNF1.1.0 < 1.4.3affected

Weaknesses

  • CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References