F5-K000158072: High severity F5 BIG-IP Advanced WAF/ASM vulnerability

Published Feb 4, 2026
·
Updated

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests along with conditions beyond the attacker's control can cause the bd process to terminate.

Affected Software

2 affected componentsFixes available
F5 BIG-IP Advanced WAF/ASM
F5 BIG-IP Advanced WAF/ASM>=17.1.0<=17.1.2
17.1.3

Event History

Feb 4, 2026
Advisory Published
via F5·02:28 PM
Data Sourced
via F5·02:28 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of F5-K000158072?

The severity of F5-K000158072 is classified as high due to the potential termination of the bd process which can impact service availability.

2

How do I fix F5-K000158072?

To mitigate F5-K000158072, it is recommended to upgrade to version 17.1.3 or later of the F5 BIG-IP Advanced WAF/ASM.

3

What products are affected by F5-K000158072?

F5-K000158072 affects F5 BIG-IP Advanced WAF/ASM versions 17.1.0 to 17.1.2 and earlier.

4

What causes the issue described in F5-K000158072?

The issue in F5-K000158072 is caused by undisclosed requests that interact with security policies, leading to the termination of the bd process.

5

Are there any workarounds for F5-K000158072?

Currently, there are no documented workarounds for F5-K000158072, making the upgrade to a fixed version the best option.

Contact

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