CVE-2016-7942: Critical severity Fedoraproject Fedora vulnerability
Last updated 25 August 2025
Other sources
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.
— Launchpad
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2016-7942.
What is the severity rating of CVE-2016-7942?
CVE-2016-7942 has a severity rating of 9.8 (Critical).
How does CVE-2016-7942 impact X.org libX11?
CVE-2016-7942 allows remote X servers to gain privileges via vectors involving image type and geometry, triggering out-of-bounds read operations.
Which versions of X.org libX11 are affected by CVE-2016-7942?
The affected versions of X.org libX11 are 2:1.6.4-1, 2:1.6.2-1ubuntu2.1, 1.6.4, 2:1.6.3-1ubuntu2.1, and 2:1.6.7-1+deb10u2, 2:1.6.7-1+deb10u4, 2:1.7.2-1+deb11u1, 2:1.7.2-1+deb11u2, 2:1.8.4-2+deb12u1, 2:1.8.4-2+deb12u2, and 2:1.8.7-1.
How can I fix CVE-2016-7942 in X.org libX11?
To fix CVE-2016-7942 in X.org libX11, update to version 2:1.6.4-1.