CVE-2016-1963 Race condition in n/a
Local attackers can exploit a race condition in Firefox's FileReader API to cause memory corruption, leading to privilege escalation or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-1963?
CVE-2016-1963 is a high-severity vulnerability in Mozilla Firefox, published on 13 Mar 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The FileReader class in Mozilla Firefox before 45.0 allows local users to gain privileges or cause a denial of service (memory corruption) by changing a file during a FileReader API read operation.
Which versions are affected by CVE-2016-1963?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2016-1963?
Upgrade to a fixed version.
Is CVE-2016-1963 being exploited?
There is no known exploitation of CVE-2016-1963 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2016-1963, GHSA-w6cr-qvrp-w86v, UBUNTU-CVE-2016-1963.