CVE-2015-4486 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via malformed WebM video data in Firefox.
- 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-2015-4486?
CVE-2015-4486 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 16 Aug 2015. 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
The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.
Weakness: CWE-119
Which versions are affected by CVE-2015-4486?
It affects 4 products.
Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse, Oracle Solaris.
How do I fix CVE-2015-4486?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2015-4486 being exploited?
There is no known exploitation of CVE-2015-4486 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-4486, GHSA-4fpr-qvvc-44qw, UBUNTU-CVE-2015-4486.