Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP APM
Known Affected Versions:
11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Fixed In:
12.0.0
Opened: Jul 06, 2015 Severity: 3-Major
APMD, APD, and localmgr crash upon invalid mcpd request with certain DB variables.
APMD, APD, and localmgr will crash.
This problem rarely happens: mcpd sends null db variables conncrtl.
There is no workaround.
The problem was fixed by variable protection in related modules.