Inefficient Regular Expression Complexity The advisory has been revoked - it doesn't affect any version of package ruby-libs (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-RUBYLIBS-8546693
- published20 Dec 2024
- disclosed28 Oct 2024
Introduced: 28 Oct 2024
CVE-2024-49761 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-libs package and not the ruby-libs package as distributed by RHEL.
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.
References
- https://access.redhat.com/security/cve/CVE-2024-49761
- https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f
- https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m
- https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761
- https://security.netapp.com/advisory/ntap-20241227-0004/