CVE-2016-7942

Name	CVE-2016-7942
Description	The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-684-1
NVD severity	high
Debian Bugs	840439

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libx11 (PTS)	stretch	2:1.6.4-3+deb9u1	fixed
	stretch (security)	2:1.6.4-3+deb9u3	fixed
	buster	2:1.6.7-1+deb10u1	fixed
	bullseye, sid	2:1.7.0-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libx11	source	wheezy	2:1.5.0-1+deb7u3		DLA-684-1
libx11	source	jessie	2:1.6.2-3+deb8u1
libx11	source	(unstable)	2:1.6.4-1	low		840439

https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17