Summary

Nokogiri v1.16.5 upgrades its dependency libxml2 to 2.12.7 from 2.12.6.

libxml2 v2.12.7 addresses CVE-2024-34459:

• described at https://gitlab.gnome.org/GNOME/libxml2/-/issues/720
• patched by https://gitlab.gnome.org/GNOME/libxml2/-/commit/2876ac53

Impact

There is no impact to Nokogiri users because the issue is present only in libxml2's xmllint tool which Nokogiri does not provide or expose.

Timeline

• 2024-05-13 05:57 EDT, libxml2 2.12.7 release is announced
• 2024-05-13 08:30 EDT, nokogiri maintainers begin triage
• 2024-05-13 10:05 EDT, nokogiri v1.16.5 is released and this GHSA made public

References

• GHSA-r95h-9x8f-r3f7
• https://github.com/sparklemotion/nokogiri/releases/tag/v1.16.5
• https://gitlab.gnome.org/GNOME/libxml2/-/commit/2876ac53
• https://gitlab.gnome.org/GNOME/libxml2/-/issues/720
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/GHSA-r95h-9x8f-r3f7.yml