CVE-2016-2819 Memory corruption in n/a
Remote attackers can execute arbitrary code via crafted HTML5 fragments in Firefox, requiring users to upgrade to patched versions.
- 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-2016-2819?
CVE-2016-2819 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 13 Jun 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
Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.
Weakness: CWE-119
Which versions are affected by CVE-2016-2819?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Mozilla Firefox, Opensuse Leap, Opensuse Opensuse.
How do I fix CVE-2016-2819?
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-2016-2819 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-2819 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-2819, GHSA-w5jf-q8p2-qgmx, UBUNTU-CVE-2016-2819.