CVE-2016-5278 Memory corruption in n/a
Remote attackers can execute arbitrary code via crafted image data due to a heap-based buffer overflow in Firefox and Thunderbird.
- 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-2016-5278?
CVE-2016-5278 is a high-severity memory corruption vulnerability in Mozilla Firefox, published on 22 Sep 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 the nsBMPEncoder::AddImageFrame function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via a crafted image data that is mishandled during the encoding of an image frame to an image.
Weakness: CWE-119
Which versions are affected by CVE-2016-5278?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2016-5278?
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-2016-5278 being exploited?
There is no known exploitation of CVE-2016-5278 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2016-5278, GHSA-jf8q-fmcm-x642, UBUNTU-CVE-2016-5278.