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CVE-2024-41123

23
FAUCET Score

CVE-2024-41123 is a denial-of-service (DoS) vulnerability affecting the REXML gem in Ruby, specifically versions prior to 3.3.3. This flaw allows an unauthenticated attacker to trigger a DoS condition by submitting specially crafted XML containing numerous whitespace, '>]', or ']> ' characters. Rated with a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to a complete denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*
>= 3.2.8, < 3.3.2CPE matchmatch criteria
cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 47th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (18)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: pcs-0:0.10.15-4.el8_8.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: ruby:3.3-9040020240906110954.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: ruby:3.1-9050020250404144903.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: ruby:3.3-8100020240906074654.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: ruby:3.1-8100020250407112943.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pcs-0:0.10.18-2.el8_10.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: pcs-0:0.10.12-6.el8_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: pcs-0:0.10.12-6.el8_6.6
View patch
rubygemspatch availablevia ghsa
Product: rexmlFixed in: 3.3.3
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: ruby:3.0/ruby
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-backend-container
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-toolbox-container
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: ruby:2.5/ruby
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pcs
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: puppet-datacat
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-system-container
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-zync-container

Vendor Advisories (2)

rubygemsGHSA-r55c-59qm-vjw6medium

REXML DoS vulnerability

Aug 1, 2024
redhatCVE-2024-41123Moderate

rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace character, >] and ]>

Aug 1, 2024

References

lists.debian.org / debian-lts-announce/2025/01/msg00011.html
security.netapp.com / advisory/ntap-20241227-0005
github.com / ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
Not Applicable
github.com / ruby/rexml/security/advisories/GHSA-r55c-59qm-vjw6
Vendor Advisory
github.com / ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
Not Applicable
ruby-lang.org / en/news/2024/08/01/dos-rexml-cve-2024-41123
Vendor Advisory