GHSA-mrxw-mxhj-p664

HIGH

Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs

Published March 14, 2025Updated February 4, 2026Source: osv

Summary

## Summary Nokogiri v1.18.4 upgrades its dependency libxslt to [v1.1.43](https://gitlab.gnome.org/GNOME/libxslt/-/releases/v1.1.43). libxslt v1.1.43 resolves: - CVE-2025-24855: Fix use-after-free of XPath context node - CVE-2024-55549: Fix UAF related to excluded namespaces ## Impact ### CVE-2025-24855 - "Use-after-free due to xsltEvalXPathStringNs leaking xpathCtxt->node" - MITRE has rated this 7.8 High CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H - Upstream report: https://gitlab.gnome.org/GNOME/libxslt/-/issues/128 - NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2025-24855 ### CVE-2024-55549 - "Use-after-free related to excluded result prefixes" - MITRE has rated this 7.8 High CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H - Upstream report: https://gitlab.gnome.org/GNOME/libxslt/-/issues/127 - NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2024-55549

Remediation

Upgrade to the fixed version using your package manager.

Bundler

Update nokogiri to 1.18.4 or later

gem install nokogiri -v 1.18.4

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Package	Ecosystem	Affected	Fixed In
nokogiri	rubygems	1.0.0, 1.0.1, 1.0.2, 1.0.3 (+179 more)	1.18.4

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-1395
View on MITRE
CWE-416
Use After FreeMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.8 score means for each attack dimension.

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

High

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

References

Frequently Asked Questions

What is GHSA-mrxw-mxhj-p664?: Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.8/10).
How do I check if my project is affected by GHSA-mrxw-mxhj-p664?: GHSA-mrxw-mxhj-p664 affects nokogiri. Use GeekWala's free vulnerability scanner to check your dependencies against GHSA-mrxw-mxhj-p664 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

7.8

High exploitability or significant impact. Prioritize remediation within days.

Related CVEs

CVE-2019-18197
HIGH
Nokogiri affected by libxslt Use of Uninitialized Resource/Use After Free vulnerability
CVE-2021-41098
HIGH
Improper Restriction of XML External Entity Reference (XXE) in Nokogiri on JRuby
CVE-2021-30560
HIGH
Nokogiri has vulnerable dependencies on libxml2 and libxslt
CVE-2017-16932
HIGH
Nokogiri gem, via libxml, is affected by DoS vulnerabilities
CVE-2022-29181
HIGH
Nokogiri Improperly Handles Unexpected Data Type
CVE-2021-3537
MEDIUM
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
CVE-2026-57235
MEDIUM
Nokogiri: Possible Out-of-Bounds Read in `Nokogiri::XML::NodeSet#[]`
CVE-2026-57436
LOW
Nokogiri: Possible Use-After-Free when setting `Document#root=` to an invalid node type

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