CVE-2024-49761CWE-1333

REXML ReDoS vulnerability

Medium · published October 28, 2024

CVSS v4.0
6.6
EPSS
1%
Percentile
72.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.6 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
EPSS
0.01420 · 72.6th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2024-10-28T14:10Z
EPSS history
Timeline
  • 28 OCT 14:10Z
    REXML ReDoS vulnerability
    cvelistv5