High severity7.8NVD Advisory· Published Aug 25, 2026

CVE-2025-71406

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Sparklemotion/Nokogirillm-fuzzy
Range: <1.18.4

Patches

Vulnerability mechanics

References

github.com/sparklemotion/nokogiri/security/advisories/GHSA-mrxw-mxhj-p664nvd
www.vulncheck.com/advisories/nokogiri-before-use-after-free-via-libxsltnvd

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000