CVE-2026-41227

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://my.f5.com/manage/s/article/K000158979	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::
	cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::

History

24 Jun 2026, 14:52

Type	Values Removed	Values Added
CPE		cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:::::::: cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:::::::: cpe:2.3:a:f5:big-ip_application_security_manager::::::::
References	~~() https://my.f5.com/manage/s/article/K000158979 -~~	() https://my.f5.com/manage/s/article/K000158979 - Vendor Advisory
First Time		F5 big-ip Advanced Web Application Firewall F5 big-ip Application Security Manager F5 F5 big-ip Ddos Hybrid Defender

13 May 2026, 16:27

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-13 16:16

Updated : 2026-06-24 14:52

NVD link : CVE-2026-41227

Mitre link : CVE-2026-41227

CVE.ORG link : CVE-2026-41227

JSON object : View

Products Affected

f5

big-ip_advanced_web_application_firewall
big-ip_ddos_hybrid_defender
big-ip_application_security_manager

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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