F5-K000151742: Medium severity f5 big-ip next vulnerability

Published Jun 6, 2025
·
Updated

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

Affected Software

2 affected components
F5 BIG-IP Next SPK
F5 BIG-IP Next SPK>=1.7.0<=1.9.2

Event History

Jun 6, 2025
Advisory Published
via F5·08:25 PM
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Frequently Asked Questions

1

What is the severity of F5-K000151742?

The severity of F5-K000151742 is classified as a Denial of Service (DoS) vulnerability.

2

How do I fix F5-K000151742?

To fix F5-K000151742, update the REXML gem to version 3.3.6 or later.

3

What products are affected by F5-K000151742?

The affected products include F5 BIG-IP Next SPK versions from 1.7.0 to 1.9.2 and earlier versions.

4

What is the impact of F5-K000151742?

The impact of F5-K000151742 is that it can cause a Denial of Service when processing certain XML documents.

5

Is F5-K000151742 related to XML parsing?

Yes, F5-K000151742 pertains to a Denial of Service vulnerability during XML parsing with the REXML toolkit.

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