CVE-2026-41227
published 2026-05-13CVE-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…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.26%
18.0th percentile
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.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip | >= 16.1.0 < * | * |
| f5 | big-ip | >= 17.1.0 < 17.1.3.1 | 17.1.3.1 |
| f5 | big-ip | >= 17.5.0 < 17.5.1.4 | 17.5.1.4 |
| f5 | big-ip_advanced_web_application_firewall | 16.1.0 – 16.1.6 | — |
| f5 | big-ip_advanced_web_application_firewall | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_advanced_web_application_firewall | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_application_security_manager | 16.1.0 – 16.1.6 | — |
| f5 | big-ip_application_security_manager | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_application_security_manager | 17.5.0 – 17.5.1 | — |
| f5 | big-ip_ddos_hybrid_defender | 16.1.0 – 16.1.6 | — |
| f5 | big-ip_ddos_hybrid_defender | 17.1.0 – 17.1.3 | — |
| f5 | big-ip_ddos_hybrid_defender | 17.5.0 – 17.5.1 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
F5 BIG-IP prior 17.1.3.1/17.5.1.4 allocation of resources (K000158979 / Nessus ID 316089)
vuldb·2026-05-25·CVSS 8.7
CVE-2026-41227 [HIGH] F5 BIG-IP prior 17.1.3.1/17.5.1.4 allocation of resources (K000158979 / Nessus ID 316089)
A vulnerability marked as critical has been reported in F5 BIG-IP. This affects an unknown part. The manipulation leads to allocation of resources.
This vulnerability is listed as CVE-2026-41227. The attack may be initiated remotely. There is no available exploit.
It is suggested to upgrade the affected component.
GHSA
GHSA-mggm-3mvj-fj65: On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Tr
ghsa_unreviewed·2026-05-13
CVE-2026-41227 [HIGH] CWE-770 GHSA-mggm-3mvj-fj65: On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Tr
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.
F5
CVE-2026-41227: On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in ...
vendor_f5·2026-05-13·CVSS 8.7
CVE-2026-41227 [HIGH] CWE-770 CVE-2026-41227: On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in ...
CVE-2026-41227: On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in ...
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.
F5 Advisory Articles: K000158979
F5 References: https://my.f5.com/manage/s/article/K000158979
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-13
Published