7.5
CVE-2024-49761
- EPSS 1.43%
- Veröffentlicht 28.10.2024 15:15:05
- Zuletzt bearbeitet 03.11.2025 21:16:31
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
REXML ReDoS vulnerability
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.43% | 0.695 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| security-advisories@github.com | 6.6 | 0 | 0 |
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
CWE-1333 Inefficient Regular Expression Complexity
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
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/
https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html