On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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Fixes

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Workaround

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History

Wed, 13 May 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared F5
F5 big-ip
Vendors & Products F5
F5 big-ip
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 15:15:00 +0000

Type Values Removed Values Added
Description On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Title BIG-IP HTTP/2 Layer 7 Dos Protection vulnerability
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published:

Updated: 2026-05-13T16:13:01.466Z

Reserved: 2026-04-30T23:04:10.867Z

Link: CVE-2026-41227

cve-icon Vulnrichment

Updated: 2026-05-13T16:12:56.954Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-13T16:16:44.920

Modified: 2026-06-24T14:52:01.893

Link: CVE-2026-41227

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T17:30:06Z

Weaknesses