Resource exhaustion in Ruby Rexml
CVE-2024-35176
REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerabilit…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.084 (92.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Ruby Rexml — versions < 3.2.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh (x_refsource_CONFIRM)
- https://github.com/ruby/rexml/commit/4325835f92f3f142ebd91a3fdba4e1f1ab7f1cfb (x_refsource_MISC)
- https://www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-35176?
- CVE-2024-35176 is a medium-severity vulnerability in Ruby Rexml, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2024-05-16.
- How severe is CVE-2024-35176?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2024-35176 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.