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CVE-2024-49761

REXML ReDoS vulnerability

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

CVSS 4.0 · 6.6 Medium EPSS 1.4% KEV · Not listed
Vendors
Netapp Redhat Ruby and 1 more
Products
Ontap Tools Enterprise Linux Rhel Aus and 6 more
CVE-2025-58767

REXML has a DoS condition when parsing malformed XML file

REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. The REXML gem 3.4.2 or later include the patches to fix these vulnerabilities.

CVSS 4.0 · 1.2 Low EPSS < 1% KEV · Not listed
Vendors
Ruby Ruby-lang
Products
Rexml Rexml