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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f	Patch
https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m	Third Party Advisory
https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
https://security.netapp.com/advisory/ntap-20241227-0004/	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*

cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*

History

03 Nov 2025, 21:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html -

21 Mar 2025, 16:37

Type	Values Removed	Values Added
References	~~() https://security.netapp.com/advisory/ntap-20241227-0004/ -~~	() https://security.netapp.com/advisory/ntap-20241227-0004/ - Third Party Advisory
CPE		cpe:2.3:a:ruby-lang:ruby:::::::: cpe:2.3:a:netapp:ontap_tools:10:::::vmware_vsphere::
First Time		Ruby-lang ruby Netapp Netapp ontap Tools

27 Dec 2024, 16:15

Type	Values Removed	Values Added
References		() https://security.netapp.com/advisory/ntap-20241227-0004/ -

Information

Published : 2024-10-28 15:15

Updated : 2025-11-03 21:16

NVD link : CVE-2024-49761

Mitre link : CVE-2024-49761

CVE.ORG link : CVE-2024-49761

JSON object : View

Products Affected

netapp

ontap_tools

ruby-lang

rexml
ruby

CWE

CWE-1333

Inefficient Regular Expression Complexity

{"id": "CVE-2024-49761", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "UNREPORTED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2024-10-28T15:15:05.157", "references": [{"url": "https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20241227-0004/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-1333"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "REXML es un conjunto de herramientas XML para Ruby. La gema REXML anterior a la versi\u00f3n 3.3.9 tiene una vulnerabilidad ReDoS cuando analiza un XML que tiene muchos d\u00edgitos entre &# y x...; en una referencia de car\u00e1cter num\u00e9rico hexadecimal (&#x...;). Esto no sucede con Ruby 3.2 o posterior. Ruby 3.1 es el \u00fanico Ruby afectado que se mantiene. La gema REXML 3.3.9 o posterior incluye el parche para corregir la vulnerabilidad."}], "lastModified": "2025-11-03T21:16:31.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*", "vulnerable": true, "matchCriteriaId": "326BEE19-C954-4EAA-8473-E76CCD43A48F", "versionEndExcluding": "3.3.9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F841AE5D-60DD-4E3A-854A-9B7B906BF7E7", "versionEndExcluding": "3.2.0"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*", "vulnerable": true, "matchCriteriaId": "5333B745-F7A3-46CB-8437-8668DB08CD6F"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}