---
cve: "CVE-2024-49761"
severity: "MEDIUM"
cvss: 6.6
epss: "1.4%"
vendor: "Ruby"
kev: false
exploited: false
published: "2024-10-28 15:15:05"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T15:29:27+02:00"
---

# CVE-2024-49761

> 6.6 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 38eaa86ac7abe0d31cf49d8df57ad239fdeb80e9 (Commit)
- ce59f2eb1aeb371fe1643414f06618dbe031979f (Commit)

## Referenzen

- <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://lists.debian.org/debian-lts-announce/2025/01/msg00011.html>
- <https://security.netapp.com/advisory/ntap-20241227-0004/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-49761) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_