CVE-2016-4658

NameCVE-2016-4658
Descriptionxpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.
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-691-1, DSA-3744-1
NVD severityhigh (attack range: remote)
Debian Bugs840553

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxml2 (PTS)jessie (security), jessie2.9.1+dfsg1-5+deb8u6fixed
stretch (security), stretch2.9.4+dfsg1-2.2+deb9u2fixed
buster, sid2.9.4+dfsg1-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxml2source(unstable)2.9.4+dfsg1-2.1high840553
libxml2sourcejessie2.9.1+dfsg1-5+deb8u4highDSA-3744-1
libxml2sourcewheezy2.8.0+dfsg1-7+wheezy7highDLA-691-1

Notes

Fixed by: https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b

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