Last Modified: Oct 12, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.1.3.2, 17.1.3.4, 17.1.3.5, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 17.5.1.8, 17.5.1.9, 21.0.0, 21.0.0.1, 21.0.0.2, 21.0.0.3, 21.1.0, 21.1.0.1, 21.1.0.2
Opened: Sep 24, 2026 Severity: 2-Critical
The mcpd process restarts and writes a core file. The /var/log/ltm file contains a message similar to the following: err mcpd[<pid>]: 01070001:3: Failed to allocate memory for size <size> at framework/MCPProcessor.cpp:1144. After mcpd restarts, tmm also restarts and logs: crit tmm[<pid>]: 01010020:2: MCP Connection aborted, exiting
The MCPD and TMM processes restart. Traffic is disrupted while TMM restarts
- The mcpd process reaches the operating system limit for memory mappings in one process - An SNMP manager polls the pool member statistics table - The configuration contains a large number of pool members
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