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 vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.021 (80.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Ruby Rexml — versions < 3.2.7
- Ruby-Lang Rexml
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh (Vendor Advisory)
- github.com/ruby/rexml/commit/4325835f92f3f142ebd91a3fdba4e1f1ab7f1cfb (Patch)
- www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176 (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
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.