Descriptionorg.cyberneko.html is an html parser written in Java. The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. Users are advised to upgrade to `>= 1.9.22.noko2`. Note: The upstream library `org.cyberneko.html` is no longer maintained. Nokogiri uses its own fork of this library located at and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1021739

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nekohtml (PTS)bullseye1.9.22-1.1vulnerable
sid, trixie, bookworm1.9.22.noko2-0.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - nekohtml <no-dsa> (Minor issue)
[buster] - nekohtml <no-dsa> (Minor issue)
[stretch] - nekohtml <no-dsa> (Minor issue)

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