{"cve":"CVE-2024-43398","nvd":{"published":"2024-08-22T15:15:16.440","modified":"2026-06-17T07:50:58.227","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-776"],"references":["https://github.com/ruby/rexml/releases/tag/v3.3.6","https://github.com/ruby/rexml/security/advisories/GHSA-vmwr-mc7x-5vc3","https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html","https://security.netapp.com/advisory/ntap-20250103-0006/"],"products":["netapp:bootstrap_os","ruby-lang:rexml"],"source":"nvd","synced_at":"2026-10-19T21:54:16.205165117+00:00"},"epss":{"cve":"CVE-2024-43398","score":0.01205,"percentile":0.68298,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vmwr-mc7x-5vc3","url":"https://osv.dev/vulnerability/GHSA-vmwr-mc7x-5vc3","summary":"REXML denial of service vulnerability","modified":"2026-09-10T03:50:55.410683386Z","packages":[{"ecosystem":"RubyGems","name":"rexml","purl":"pkg:gem/rexml","ranges":["<3.3.6"],"fixed":["3.3.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}