F5-K000160723: Use After Free
Published Apr 13, 2026
·Updated
A use-after-free vulnerability was found in libxslt while parsing XSL nodes that may lead to the dereference of expired pointers and application crash.
Affected Software
2 affected components
F5 F5OS-A>=1.8.0<=1.8.3, >=1.5.1<=1.5.4
F5 F5OS-C>=1.8.0<=1.8.2, >=1.6.0<=1.6.4
Event History
Apr 13, 2026
Advisory Published
via F5·04:15 PM
Data Sourced
via F5·04:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of F5-K000160723?
The F5-K000160723 vulnerability is classified as a critical use-after-free vulnerability.
2
How do I fix F5-K000160723?
To fix F5-K000160723, update to the latest patched versions of F5OS-A and F5OS-C as specified in the advisory.
3
What impact does F5-K000160723 have on affected software?
F5-K000160723 may lead to application crashes and potential instability by dereferencing expired pointers.
4
Which versions are affected by F5-K000160723?
F5-K000160723 affects specific versions of F5OS-A (1.8.0 to 1.8.3 and 1.5.1 to 1.5.4) and F5OS-C (1.8.0 to 1.8.2 and 1.6.0 to 1.6.4).
5
Is there a workaround for F5-K000160723?
There are no official workarounds; the recommended action is to apply the latest updates to the affected software.