Vulnerability Report

CVE-2024-49761

Title: Ruby-Lang Rexml Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2024-49761.

CWE Category CWE-1333
Published Date Oct 28, 2024
Modified Date Nov 03, 2025
Exploit Status Not Found
Score 6.6 CVSS v4.0
Exploit Probability (EPSS)
1.65%

Vulnerability Summary

CVE-2024-49761: 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.

Impacted Vendors

Y
yukihiro_matsumoto 1
R
ruby-lang 2
N
netapp 1

Reference Links

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://lists.debian.org/debian-lts-announce/2025/01/msg00011.html https://security.netapp.com/advisory/ntap-20241227-0004/
CVSS v4.0
Source Entity [email protected]
Severity MEDIUM
6.6
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW 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/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
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2024-49761 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String 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

Affected Stack

No specific products linked.