CVE-2024-41123
No exploitation reported by the sources we read.
- Published2024-08-01
- Fixed in3.3.3 · 3.3.2 · 3.2.7
- WeaknessCWE-400
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
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.
Timeline
dates in UTC- 2024-08-0115:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-41123?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-41123?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
CISA-ADP · OSV · NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.3 | < 3.3.3 | 3.3.3 | CISA-ADP · OSV |
| 3.x | ≥ 3.2.8, < 3.3.2 | 3.3.2 | NVD |
| 3.2 | < 3.2.7 | 3.2.7 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- pcsAlmaLinux:8all versions · fixed in 0.10.18-2.el8_10.2.alma.1and 1 other package
- rubyAlmaLinux:9all versions · fixed in 3.3.5-3.module_el9.4.0+115+226a984band 5 other packages
- rubyAlmaLinux:8all versions · fixed in 3.1.7-145.module_el8.10.0+3984+cf55e3dfand 5 other packages
- rubyAlmaLinux:8all versions · fixed in 3.3.5-3.module_el8.10.0+3894+6d587c81and 5 other packages
- rubygem-abrtAlmaLinux:8all versions · fixed in 0.4.0-1.module_el8.10.0+3799+191214ccand 1 other package
- rubygem-abrtAlmaLinux:8all versions · fixed in 0.4.0-1.module_el8.9.0+3746+91b8233a
- rubygem-abrt-docAlmaLinux:8all versions · fixed in 0.4.0-1.module_el8.10.0+3854+02eaa59a
- rubygem-bigdecimalAlmaLinux:9all versions · fixed in 3.1.5-3.module_el9.4.0+115+226a984b
59 more package ranges on OSV.dev
Fix
- Update Ruby-lang rexml to 3.3.3 · 3.3.2 · 3.2.7
Advisories and patches
- github.comVendor Advisory
- www.ruby-lang.orgVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2024-08-01
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2024-41123?
Is CVE-2024-41123 actively exploited?
What is the CVSS score for CVE-2024-41123?
Running rexml? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.