Bug ID 547000: Enforcer application might crash on XML traffic when out of memory

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP ASM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 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, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4

Fixed In:
12.1.0, 11.6.1, 11.5.4

Opened: Sep 20, 2015

Severity: 3-Major

Related Article: K47219203

Symptoms

Enforcer application might crash on XML traffic when out of memory.

Impact

The BIG-IP system might temporarily fail to process traffic.

Conditions

This occurs when the system is out of memory.

Workaround

None.

Fix Information

This release fixes a scenario where the system might crash when the XML parser ran out of memory.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips