CVE-2025-71406

nokogiri: libxslt: Nokogiri: Memory corruption via crafted XSLT

Published Aug 25, 2026 CVSS 3.1 · 7.8 High EPSS n/a KEV · Not listed
Description
This CVE ID has been rejected as a duplicate.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains two use-after-free vulnerabilities: CVE-2025-24855 (use-after-free of the XPath context node due to xsltEvalXPathStringNs leaking xpathCtxt->node) and CVE-2024-55549 (use-after-free related to excluded result prefixes/namespaces). Processing crafted XSLT can trigger memory corruption. Nokogiri 1.18.4 upgrades the bundled libxslt to 1.1.43 to resolve these issues. This CVE ID has been rejected as a duplicate.
Title Nokogiri before 1.18.4 Use-After-Free via libxslt nokogiri: libxslt: Nokogiri: Memory corruption via crafted XSLT
Weaknesses CWE-416
CPEs cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:*:*:*
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Nokogiri before 1.18.4 bundles a vulnerable version of libxslt (prior to 1.1.43) that contains two use-after-free vulnerabilities: CVE-2025-24855 (use-after-free of the XPath context node due to xsltEvalXPathStringNs leaking xpathCtxt->node) and CVE-2024-55549 (use-after-free related to excluded result prefixes/namespaces). Processing crafted XSLT can trigger memory corruption. Nokogiri 1.18.4 upgrades the bundled libxslt to 1.1.43 to resolve these issues.
Title Nokogiri before 1.18.4 Use-After-Free via libxslt
First Time appeared Nokogiri
Nokogiri nokogiri
Weaknesses CWE-416
CPEs cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:*:*:*
Vendors & Products Nokogiri
Nokogiri nokogiri
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
REJECTED
Assigner
VulnCheck
Published
Updated
Sep 1, 2026, 8:33 PM
Reserved
Jul 18, 2026, 12:38 PM
Status
Rejected
Published
Aug 25, 2026, 4:16 PM
Modified
Oct 7, 2026, 7:10 PM
Severity
Important
Public date
Aug 25, 2026, 3:15 PM