CVE-2017-16932

NameCVE-2017-16932
Descriptionparser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.
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)
ReferencesDLA-1194-1
NVD severitymedium (attack range: remote)
Debian Bugs882613

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxml2 (PTS)wheezy2.8.0+dfsg1-7+wheezy5vulnerable
wheezy (security)2.8.0+dfsg1-7+wheezy12fixed
jessie2.9.1+dfsg1-5+deb8u5vulnerable
jessie (security)2.9.1+dfsg1-5+deb8u6vulnerable
stretch2.9.4+dfsg1-2.2+deb9u1vulnerable
stretch (security)2.9.4+dfsg1-2.2+deb9u2vulnerable
buster, sid2.9.4+dfsg1-6.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxml2source(unstable)(unfixed)medium882613
libxml2sourceexperimental2.9.7+dfsg-1medium
libxml2sourcewheezy2.8.0+dfsg1-7+wheezy11mediumDLA-1194-1

Notes

[stretch] - libxml2 <ignored> (Minor issue; too intrusive to backport)
[jessie] - libxml2 <ignored> (Minor issue; too intrusive to backport)
https://bugzilla.gnome.org/show_bug.cgi?id=759579
https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961
Applying only 899a5d9f0ed13b8e32449a08a361e0de127dd961 does not completely
fix the issue, see https://bugs.debian.org/882613#12 for discussion.

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