CVE-2016-2839 Denial of service in n/a
Remote attackers can crash Firefox on Linux by serving crafted video files due to improper interaction with FFmpeg libraries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-2839?
CVE-2016-2839 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 5 Aug 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 on Linux make cairo _cairo_surface_get_extents calls that do not properly interact with libav header allocation in FFmpeg 0.10, which allows remote attackers to cause a denial of service (application crash) via a crafted video.
Weakness: CWE-20
Which versions are affected by CVE-2016-2839?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2016-2839?
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-2016-2839 being exploited?
There is no known exploitation of CVE-2016-2839 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-x47g-jqx4-jpfm, UBUNTU-CVE-2016-2839.