CVE-2016-7943
First published: Tue Dec 13 2016(Updated: )
Last updated 24 July 2024
Credit: security@opentext.com meissner@suse.de
| Affected Software | Affected Version | How 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 |
Remedy
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/10/04/2
- http://www.openwall.com/lists/oss-security/2016/10/04/4
- http://www.securityfocus.com/bid/93362
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03
- https://usn.ubuntu.com/3758-1/
- https://usn.ubuntu.com/3758-2/
- https://launchpad.net/bugs/cve/CVE-2016-7943
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
- https://security-tracker.debian.org/tracker/CVE-2016-7943
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7943
- https://nvd.nist.gov/vuln/detail/CVE-2016-7943
- https://ubuntu.com/security/CVE-2016-7943
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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