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CVE-2022-24839

26
FAUCET Score

CVE-2022-24839 describes an OutOfMemoryError vulnerability in the Nokogiri-forked org.cyberneko.html parser when processing malformed HTML, affecting products like nekohtml and Oracle WebLogic Server. With a CVSS score of 7.5 (High), it's a network-exploitable denial-of-service vulnerability requiring no user interaction. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.9.22.noko2CPE matchmatch criteria
cpe:2.3:a:nekohtml_project:nekohtml:*:*:*:*:*:nokogiri:*:*
12.2.1.3.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
12.2.1.4.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
14.1.1.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 64th 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

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 (7)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.nokogiri:nekohtmlFixed in: 1.9.22.noko2
oraclepatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: tfm-rubygem-nokogiri
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: tfm-ror51-rubygem-nokogiri
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: tfm-ror52-rubygem-nokogiri
redhatend of lifevia redhat_api
Product: CloudForms Management Engine 5Fixed in: rubygem-nokogiri

Vendor Advisories (2)

mavenGHSA-9849-p7jc-9rmvhigh

org.nokogiri:nekohtml vulnerable to Uncontrolled Resource Consumption

Jun 22, 2023
redhatCVE-2022-24839Important

nokogiri: Uncontrolled Resource Consumption in org.cyberneko.html (nokogiri fork)

Apr 11, 2022

References

github.com / sparklemotion/nekohtml/commit/a800fce3b079def130ed42a408ff1d09f89e773d
Patch
github.com / sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv
Vendor Advisory
oracle.com / security-alerts/cpujul2022.html
PatchThird Party Advisory