CVE-2015-8317

NameCVE-2015-8317
DescriptionThe xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-355-1, DSA-3430-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxml2 (PTS)wheezy2.8.0+dfsg1-7+wheezy5fixed
wheezy (security)2.8.0+dfsg1-7+wheezy9fixed
jessie2.9.1+dfsg1-5+deb8u4fixed
jessie (security)2.9.1+dfsg1-5+deb8u5fixed
stretch (security), stretch2.9.4+dfsg1-2.2+deb9u1fixed
buster, sid2.9.4+dfsg1-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxml2source(unstable)2.9.2+zdfsg1-4medium
libxml2sourcejessie2.9.1+dfsg1-5+deb8u1mediumDSA-3430-1
libxml2sourcesqueeze2.7.8.dfsg-2+squeeze15mediumDLA-355-1
libxml2sourcewheezy2.8.0+dfsg1-7+wheezy5mediumDSA-3430-1

Notes

https://bugzilla.gnome.org/show_bug.cgi?id=751631
https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e
https://bugzilla.gnome.org/show_bug.cgi?id=751603
https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c

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