CVE-2017-16931

NameCVE-2017-16931
Descriptionparser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
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 severityhigh (attack range: remote)

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+dfsg1-3.1high
libxml2sourcejessie2.9.1+dfsg1-5+deb8u5high
libxml2sourcestretch2.9.4+dfsg1-2.2+deb9u1high
libxml2sourcewheezy2.8.0+dfsg1-7+wheezy11highDLA-1194-1

Notes

https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
Not a duplicate but a variant of the issue of CVE-2017-9049 and CVE-2017-9050

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