Last Modified: May 04, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
21.0.0
Fixed In:
21.0.0.1
Opened: Nov 19, 2025 Severity: 2-Critical
MCPD worker core due to a possible double free.
MCPD core
While the main thread is processing the folders, the worker is processing the query and, in doing so, sets the context, which resets the delete folder queue as well. This causes the main thread to access an empty queue and could lead to a crash.
None
Make sure the worker is not going to delete folders while handling the folder context