DescriptionBuffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
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)
ReferencesDSA-1372-1, DTSA-73-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)wheezy2:1.12.4-6+deb7u6fixed
wheezy (security)2:1.12.4-6+deb7u8fixed
jessie (security), jessie2:1.16.4-1+deb8u2fixed
stretch (security), stretch2:1.19.2-1+deb9u2fixed
buster, sid2:1.19.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


XFree86 is not affected

Search for package or bug name: Reporting problems