DescriptionThe xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (stack-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs805146

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxml2 (PTS)stretch2.9.4+dfsg1-2.2+deb9u2fixed
stretch (security)2.9.4+dfsg1-2.2+deb9u5fixed
bookworm, sid2.9.12+dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxml2sourcesqueeze(not affected)
libxml2sourcewheezy(not affected)
libxml2sourcejessie(not affected)


[jessie] - libxml2 <not-affected> (Vulnerable code introduced later)
[wheezy] - libxml2 <not-affected> (Vulnerable code introduced later)
[squeeze] - libxml2 <not-affected> (Vulnerable code introduced later)
Introduced by: (v2.9.2-rc1)
Fixed by: (v2.9.3)

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