Bug ID 503471: Memory leak can occur when there is a compressed response, and abnormal termination of the connection

Last Modified: Aug 19, 2026

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

Known Affected Versions:
11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 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: Jan 28, 2015

Severity: 3-Major

Related Article: K17395

Symptoms

Memory utilization grows over time.

Impact

Memory leak in TMM that grows over time.

Conditions

This issue occurs when the BIG-IP system sends a compressed response, and an abnormal termination of the connection occurs.

Workaround

Avoid configuration of Application DoS with Client-side mitigation.

Fix Information

A memory leak has been fixed that occurred when there was a compressed response and an abnormal termination of the connection.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips