REXML DoS vulnerability
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.
02 / AFFECTED SOFTWARE
Affected packages
15 explicit affected versions
17 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
### Impact The REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API. If you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability. ### Patches The REXML gem 3.3.3 or later include the patch to fix the vulnerability. ### Workarounds Don't parse untrusted XMLs with SAX2 or pull parser API. ### References * https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability * https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41946.json
- https://github.com/ruby/rexml/commit/033d1909a8f259d5a7c53681bcaf14f13bcf0368
- https://github.com/ruby/rexml/security/advisories/GHSA-5866-49gr-22v4
- https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-41946
- https://security.netapp.com/advisory/ntap-20250117-0007/
- https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml
- https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946
- https://github.com/ruby/rexml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-41946.yml
- https://security.netapp.com/advisory/ntap-20250117-0007