Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs
## 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
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-71406US | high7.8 | — | ||
Rejected reason: This CVE ID has been rejected as a duplicate. | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/sparklemotion/nokogiriPACKAGE
- https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-mrxw-mxhj-p664WEB
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/127WEB
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/128WEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-55549ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2025-24855ADVISORY
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