CVE-2024-43398

Published: Aug 22, 2024Modified: Jun 17, 2026

5.9

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.2 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

Description

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 (2)

Products: Ruby Lang: Rexml · Netapp: Bootstrap Os

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Ruby Lang Rexml	Before 3.3.6

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netapp Bootstrap Os	All versions

Running on/with	Platform Versions
Netapp Hci Compute Node	All versions

Related CWEs

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

References (4)

https://github.com/ruby/rexml/releases/tag/v3.3.6

Source: security-advisories@github.com

Release Notes

https://github.com/ruby/rexml/security/advisories/GHSA-vmwr-mc7x-5vc3

Source: security-advisories@github.com

Vendor Advisory

https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://security.netapp.com/advisory/ntap-20250103-0006/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.