Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
ruby rexml
< 3.3.9affected
References
- https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m ↗
- https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f ↗
- https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761 ↗
- https://security.netapp.com/advisory/ntap-20241227-0004/ ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html ↗