Bug ID 515433: BD crash on specific signature sets configuration.

Last Modified: Aug 19, 2026

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

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: Mar 31, 2015

Severity: 2-Critical

Related Article: K16639

Symptoms

A BD crash, failover and/or traffic interruption.

Impact

A BD crash, a failover, and/or traffic interruption.

Conditions

Two different signature sets with different sizes (i.e, number of signatures in a set) are assigned to two different security policies. The issue relates to a scenario where there is traffic that generates a lot of violations/staging or suggestions.

Workaround

Assign the same set(s) to all the security policies.

Fix Information

Crash issue that is related to a specific configuration was fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips