Bug ID 761185: Specifically crafted requests may lead the BIG-IP system to pass malformed HTTP traffic

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP None(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, 12.1.4, 12.1.4.1, 12.1.5

Fixed In:
15.1.0, 15.0.1.1, 14.1.2.3, 13.1.3.4, 12.1.5.1

Opened: Mar 14, 2019

Severity: 3-Major

Related Article: K50375550

Symptoms

For more information please see: https://support.f5.com/csp/article/K50375550

Impact

For more information please see: https://support.f5.com/csp/article/K50375550

Conditions

For more information please see: https://support.f5.com/csp/article/K50375550

Workaround

For more information please see: https://support.f5.com/csp/article/K50375550

Fix Information

For more information please see: https://support.f5.com/csp/article/K50375550

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips