Nokogiri updates packaged libxml2 to 2.13.6 to resolve CVE-2025-24928 and CVE-2024-56171

GHSA-vvfq-8hwr-qm4m

Published Feb 18, 2025 · Modified Feb 4, 2026

Description

Summary

Nokogiri v1.18.3 upgrades its dependency libxml2 to v2.13.6.

libxml2 v2.13.6 addresses:

CVE-2025-24928
- described at https://gitlab.gnome.org/GNOME/libxml2/-/issues/847
CVE-2024-56171
- described at https://gitlab.gnome.org/GNOME/libxml2/-/issues/828

Impact

CVE-2025-24928

Stack-buffer overflow is possible when reporting DTD validation errors if the input contains a long (~3kb) QName prefix.

CVE-2024-56171

Use-after-free is possible during validation against untrusted XML Schemas (.xsd) and, potentially, validation of untrusted documents against trusted Schemas if they make use of xsd:keyref in combination with recursively defined types that have additional identity constraints.

References

WEB https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-vvfq-8hwr-qm4m
WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/GHSA-vvfq-8hwr-qm4m.yml
PACKAGE https://github.com/sparklemotion/nokogiri

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