CVE-2024-35176: REXML contains a denial of service vulnerability

May 16, 2024

The REXML gem before 3.2.6 has a DoS vulnerability when it parses an XML that has many <s in an attribute value.

If you need to parse untrusted XMLs, you many be impacted to this vulnerability.

References

github.com/advisories/GHSA-vg3r-rm7w-2xgh
github.com/ruby/rexml
github.com/ruby/rexml/commit/4325835f92f3f142ebd91a3fdba4e1f1ab7f1cfb
github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
nvd.nist.gov/vuln/detail/CVE-2024-35176
www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176

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