CVE-2013-4396

NameCVE-2013-4396
DescriptionUse-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2784-1
NVD severitymedium (attack range: remote)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)squeeze, squeeze (security)2:1.7.7-18fixed
squeeze (lts)2:1.7.7-18+deb6u3fixed
wheezy2:1.12.4-6+deb7u5fixed
wheezy (security)2:1.12.4-6+deb7u6fixed
jessie2:1.16.4-1fixed
stretch, sid2:1.17.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversource(unstable)2:1.14.3-4medium
xorg-serversourcesqueeze2:1.7.7-17mediumDSA-2784-1
xorg-serversourcewheezy2:1.12.4-6+deb7u1mediumDSA-2784-1

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