PublicDateAtUSN: 2016-12-13
Candidate: CVE-2016-7942
PublicDate: 2016-12-13 20:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7942
 http://www.openwall.com/lists/oss-security/2016/10/04/4
 https://lists.x.org/archives/xorg-announce/2016-October/002720.html
 https://ubuntu.com/security/notices/USN-3758-2
 https://ubuntu.com/security/notices/USN-3758-1
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.
Ubuntu-Description:
Notes:
Bugs:
 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=840439
Priority: low
Discovered-by: Tobias Stoeckmann
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]

Patches_libx11:
 upstream: https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17
upstream_libx11: released (1.6.4)
precise_libx11: ignored (reached end-of-life)
precise/esm_libx11: released (2:1.4.99.1-0ubuntu2.4)
trusty_libx11: released (2:1.6.2-1ubuntu2.1)
trusty/esm_libx11: released (2:1.6.2-1ubuntu2.1)
vivid/stable-phone-overlay_libx11: ignored (reached end-of-life)
vivid/ubuntu-core_libx11: DNE
xenial_libx11: released (2:1.6.3-1ubuntu2.1)
esm-infra/xenial_libx11: released (2:1.6.3-1ubuntu2.1)
yakkety_libx11: ignored (reached end-of-life)
zesty_libx11: ignored (reached end-of-life)
artful_libx11: ignored (reached end-of-life)
bionic_libx11: released (2:1.6.4-1)
devel_libx11: released (2:1.6.4-1)