CWE
787
Advisory Published
Updated

CVE-2016-7943

First published: Tue Dec 13 2016(Updated: )

Last updated 24 July 2024

Credit: security@opentext.com meissner@suse.de

Affected SoftwareAffected VersionHow to fix
Fedoraproject Fedora=25
X.Org libX11<=1.6.3
debian/libx11
2:1.7.2-1+deb11u2
2:1.8.4-2+deb12u2
2:1.8.7-1

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Frequently Asked Questions

  • What is CVE-2016-7943?

    CVE-2016-7943 is a vulnerability in X.org libX11 before 1.6.4 that may allow remote X servers to gain privileges.

  • What is the severity of CVE-2016-7943?

    The severity of CVE-2016-7943 is critical with a CVSS score of 9.8.

  • How does CVE-2016-7943 work?

    CVE-2016-7943 works by exploiting the XListFonts function in X.org libX11 before 1.6.4, which triggers out-of-bounds write operations.

  • Which software versions are affected by CVE-2016-7943?

    CVE-2016-7943 affects libX11 versions before 1.6.4.

  • How can I fix CVE-2016-7943?

    To fix CVE-2016-7943, update libX11 to version 1.6.4 or later.

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