CVE-2026-42920CWE-835
BIG-IP DTLS Vulnerability
High · published May 13, 2026
What it is
When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
The record
Technical detail
- CVSS v4.0
- 8.7 · HIGH
- 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
- EPSS
- 0.00460 · 38.9th percentile
- Weakness
- CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
- Published
- 2026-05-13T14:12Z
EPSS history
Timeline