REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, >] and ]>. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.
CVE-2024-41123
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 33% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- 39(Track)EG Risk 39/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 68%
- KEV
- Not listed
Published
August 1, 2024
Last Modified
November 3, 2025
References (6)
- security-advisories@githubhttps://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
- security-advisories@githubhttps://github.com/ruby/rexml/security/advisories/GHSA-r55c-59qm-vjw6
- security-advisories@githubhttps://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
- security-advisories@githubhttps://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20241227-0005/
Vendor Advisories for CVE-2024-41123(7)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2025:4488Red Hat Product SecurityMedium
Red Hat Security Advisory: ruby:3.1 security update
- RHSA-2025:4063Red Hat Product SecurityMedium
Red Hat Security Advisory: ruby:3.1 security update
- RHSA-2024:6784Red Hat Product SecurityMedium
Red Hat Security Advisory: ruby:3.3 security update
- RHSA-2024:6785Red Hat Product SecurityMedium
Red Hat Security Advisory: ruby:3.3 security update
- RHSA-2024:6703Red Hat Product SecurityMedium
Red Hat Security Advisory: pcs security update
- RHSA-2024:6702Red Hat Product SecurityMedium
Red Hat Security Advisory: pcs security update
- RHSA-2024:6670Red Hat Product SecurityMedium
Red Hat Security Advisory: pcs security update
Patch Availability(11)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ruby2.7-doc (2.7.0-5ubuntu1.18) @ focal | 2026-05-23 | ubuntu |
| ubuntu | ruby2.7-doc (2.7.0-5ubuntu1.15) @ focal | 2026-05-23 | ubuntu |
| ubuntu | ruby2.3-tcltk (2.3.1-2~ubuntu16.04.16+esm11) @ xenial | 2026-05-23 | ubuntu |
| ubuntu | ruby3.3-doc (3.3.4-2ubuntu5.1) @ oracular | 2026-05-23 | ubuntu |
| redhat | ruby:3.1-9050020250404144903.9 | 2025-05-06 | redhat |
| redhat | ruby:3.1-8100020250407112943.489197e6 | 2025-04-23 | redhat |
| redhat | ruby:3.3-8100020240906074654.489197e6 | 2024-09-18 | redhat |
| redhat | ruby:3.3-9040020240906110954.9 | 2024-09-18 | redhat |
| redhat | pcs-0:0.10.18-2.el8_10.2 | 2024-09-16 | redhat |
| redhat | pcs-0:0.10.15-4.el8_8.3 | 2024-09-16 | redhat |
| redhat | pcs-0:0.10.12-6.el8_6.6 | 2024-09-16 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(11 across 11 ecosystems)
Alpine:v3.19(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby-rexml | — | 3.3.9-r0 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby2.7 | 2.7.4-1, 2.7.4-1+deb11u1, 2.7.4-1+deb11u2 | 2.7.4-1+deb11u3 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby3.1 | 3.1.2-7 ... 3.1.2-8.5 (8 versions) | — | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby3.3 | — | 3.3.5-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ruby3.3 | — | 3.3.5-1 | — |
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rexml | 3.1.7.3 ... 3.3.2 (17 versions) | 3.3.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(4)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 6× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 137 total refreshes for this CVE.
- 2026-08-25 13:47 UTCEPSS rescore
- 2026-08-24 14:15 UTCEPSS rescore
- 2026-08-23 00:18 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
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- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:46 UTCEPSS rescore
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- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 02:13 UTCEPSS rescore
- 2026-08-15 14:37 UTCOSV refresh
- 2026-08-15 01:28 UTCEPSS rescore
- 2026-08-13 21:59 UTCEPSS rescore
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-11 13:40 UTCEPSS rescore
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- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:16 UTCEPSS rescore
- 2026-08-04 15:08 UTCEPSS rescore
- 2026-08-04 10:36 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
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- 2026-08-01 04:14 UTCEPSS rescore
- 2026-07-31 05:12 UTCOSV refresh
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:29 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-27 14:11 UTCEPSS rescore
- 2026-07-26 14:53 UTCEPSS rescore
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- 2026-07-25 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:17 UTCEPSS rescore
- 2026-07-23 02:39 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
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- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
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- 2026-07-19 02:28 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 13:07 UTCOSV refresh
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-08 15:14 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-04 06:30 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 08:01 UTCOSV refresh
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-17 17:52 UTCEPSS rescore
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-14 23:17 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-12 23:11 UTCEPSS rescore
Frequently asked(5)
What is CVE-2024-41123?
When was CVE-2024-41123 disclosed?
Is CVE-2024-41123 actively exploited?
What is the CVSS score of CVE-2024-41123?
How do I remediate CVE-2024-41123?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-41123
Is Your Infrastructure Affected by CVE-2024-41123?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.