REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many <s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.
CVE-2024-35176
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 6.4%, top 9% 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)
- EPSS
- 79.1%
- KEV
- Not listed
Published
May 16, 2024
Last Modified
November 3, 2025
References (8)
- security-advisories@githubhttps://github.com/ruby/rexml/commit/4325835f92f3f142ebd91a3fdba4e1f1ab7f1cfb
- security-advisories@githubhttps://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
- security-advisories@githubhttps://www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ruby/rexml/commit/4325835f92f3f142ebd91a3fdba4e1f1ab7f1cfb
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh
- 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-20250306-0001/
- af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176
Vendor Advisories for CVE-2024-35176(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ruby3.3-doc (3.3.4-2ubuntu5.1) @ oracular | 2026-05-24 | ubuntu |
| ubuntu | ruby3.3-doc (3.3.4-2ubuntu5.2) @ oracular | 2026-05-24 | ubuntu |
| ubuntu | ruby3.3-doc (3.3.7-1ubuntu2.1) @ plucky | 2026-05-24 | ubuntu |
| ubuntu | ruby2.7-doc (2.7.0-5ubuntu1.15) @ focal | 2026-05-24 | ubuntu |
| ubuntu | ruby2.3-tcltk (2.3.1-2~ubuntu16.04.16+esm11) @ xenial | 2026-05-24 | ubuntu |
| redhat | pcs-0:0.10.18-2.el8_10.1 | 2024-08-13 | redhat |
| redhat | ruby:2.5-8100020240627152904.489197e6 | 2024-07-11 | 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
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rexml | 3.1.7.3 ... 3.2.6 (11 versions) | 3.2.7 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(6)
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 9× in last 7d / 43× 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.
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
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- 2026-06-28 04:55 UTCEPSS rescore
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- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-26 11:07 UTCOSV refresh
- 2026-06-25 13:49 UTCEPSS rescore
- 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
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- 2026-06-22 14:25 UTCEPSS rescore
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- 2026-06-21 14:55 UTCEPSS rescore
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- 2026-06-21 01:58 UTCEPSS rescore
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- 2026-06-19 19:25 UTCEPSS rescore
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- 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 23:16 UTCEPSS rescore
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- 2026-06-12 23:11 UTCEPSS rescore
- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-10 22:17 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-08 17:41 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
- 2026-06-07 15:24 UTCEPSS rescore
- 2026-06-07 15:24 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-05 22:46 UTCEPSS rescore
- 2026-06-05 22:46 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-04 13:11 UTCEPSS rescore
- 2026-06-04 13:11 UTCEPSS rescore
- 2026-06-02 20:12 UTCEPSS rescore
- 2026-06-01 13:51 UTCEPSS rescore
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- 2026-05-31 22:30 UTCEPSS rescore
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- 2026-05-29 13:43 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 01:59 UTCEG score recompute
- 2026-05-24 01:59 UTCVendor advisory
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCSpiralBL0CK/CVE-2024-35176First seen Dec 19, 2024
CVE-2024-35176 poc full
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownmsrc · redhat
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2024-35176?
When was CVE-2024-35176 disclosed?
Is CVE-2024-35176 actively exploited?
What is the CVSS score of CVE-2024-35176?
How do I remediate CVE-2024-35176?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-35176
Is Your Infrastructure Affected by CVE-2024-35176?
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