Bug ID 511441: Memory leak on request Cookie header longer than 1024 bytes

Last Modified: Sep 13, 2023

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

Known Affected Versions:
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 HF1, 11.5.3 HF1, 11.4.0, 11.4.1, 11.6.0, 11.6.1, 11.6.2, 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, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3 HF2, 11.4.1 HF9

Opened: Mar 10, 2015

Severity: 3-Major

Related Article: K17564

Symptoms

Memory leak on request Cookie header longer than 1024 bytes.

Impact

Memory used by 'rewrite' process keeps increasing and leads to 'out of memory' logs and possibly failover.

Conditions

Client is sending 'Cookie' request header with more than 1024 bytes of data to APM Portal Access host.

Workaround

None

Fix Information

Portal Access no longer leaks memory on large Cookie request headers from the client.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips