CVE-2024-41946 and is rated High severity with a CVSS score of 7.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Aug 12, 2026
Vendor remediation details
CBL-Mariner Releases
Vendor-listed releases
3.2.7-2
3.1.4-7
3.3.4-1
3.3.3-2
CISA KEVNot listedBased on the latest collected catalog
EPSS1.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2024-41946?
REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.
The REXML gem 3.3.3 or later include the patch to fix the vulnerability.