CVE-2015-8241

NameCVE-2015-8241
DescriptionThe xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-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, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-355-1, DSA-3430-1
NVD severitymedium (attack range: remote)
Debian Bugs806384

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)2.9.3+dfsg1-1medium806384
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=756263
https://git.gnome.org/browse/libxml2/commit/?id=ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe
Introduced/Uncovered by https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 (fix for CVE-2015-7941)
http://www.openwall.com/lists/oss-security/2015/11/17/5

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