CVE-2016-3991 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted TIFF images in LibTIFF's tiffcrop tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-3991?
CVE-2016-3991 is a high-severity memory corruption vulnerability in Libtiff Libtiff, published on 21 Sep 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Heap-based buffer overflow in the loadImage function in the tiffcrop tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted TIFF image with zero tiles.
Which versions are affected by CVE-2016-3991?
It affects 2 products.
Products include Libtiff Libtiff, Oracle Vm Server.
How do I fix CVE-2016-3991?
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-2016-3991 being exploited?
There is no known exploitation of CVE-2016-3991 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2016-3991, GHSA-58qw-mp64-h579, UBUNTU-CVE-2016-3991.