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Public proof of conceptFix available

CVE-2024-35176

A public proof of concept exists; no exploitation attested.

  • Published2024-05-16
  • Fixed in3.2.7
  • WeaknessCWE-400 · CWE-770

Am I 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 3.2.6 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.

Timeline

dates in UTC
  1. 2024-05-1616:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-35176?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-35176?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP · OSV
Ruby-lang rexml
BranchAffectedFixed in
3.2< 3.2.73.2.7

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_10.1and 1 other package
  • rubyAlmaLinux:8all versions · fixed in 2.5.9-112.module_el8.10.0+3871+342e2c2fand 4 other packages
  • rubygem-abrtAlmaLinux:8all versions · fixed in 0.3.0-4.module_el8.10.0+3871+342e2c2fand 1 other package
  • rubygem-bigdecimalAlmaLinux:8all versions · fixed in 1.3.4-112.module_el8.10.0+3871+342e2c2f
  • rubygem-bsonAlmaLinux:8all versions · fixed in 4.3.0-2.module_el8.5.0+259+8cec6917
  • rubygem-bsonAlmaLinux:8all versions · fixed in 4.3.0-2.module_el8.5.0+2625+ec418553and 1 other package
  • rubygem-bsonAlmaLinux:8all versions · fixed in 4.3.0-2.module_el8.6.0+3170+4b08f9d4
  • rubygem-bundlerAlmaLinux:8all versions · fixed in 1.16.1-4.module_el8.10.0+3871+342e2c2fand 1 other package

18 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Ruby-lang rexml to 3.2.7

Advisories and patches

Detection

read 2026-10-23 19:24 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedSpiralBL0CK/CVE-2024-35176
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2024-05-16
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.15.3read 2026-10-23
  • CNAweakness (CWE)CWE-400, CWE-770read 2026-10-23
  • FIRST EPSSEPSS score2.1 %2026-10-23
  • PoC-in-GitHubproof of concept1read 2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2024-05-16
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2024-35176?

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.

Is CVE-2024-35176 actively exploited?

Active exploitation of CVE-2024-35176 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-35176?

CVE-2024-35176 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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