CVE-2016-7946 Denial of service in n/a
A remote X server can cause a denial of service via an infinite loop in the X.org libXi library due to improper handling of length fields.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7946?
CVE-2016-7946 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 13 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
X.org libXi before 1.7.7 allows remote X servers to cause a denial of service (infinite loop) via vectors involving length fields.
Weakness: CWE-284
Which versions are affected by CVE-2016-7946?
It affects 2 products.
Products include Fedoraproject Fedora, X.org Libxi.
How do I fix CVE-2016-7946?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-7946 being exploited?
There is no known exploitation of CVE-2016-7946 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as ALPINE-CVE-2016-7946, DEBIAN-CVE-2016-7946, GHSA-946p-hgpx-v8pg, UBUNTU-CVE-2016-7946.