CVE-2016-9540 Memory corruption in n/a
An out-of-bounds write in libtiff allows attackers to execute arbitrary code or cause denial of service via crafted tiled images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9540?
CVE-2016-9540 is a critical memory corruption vulnerability in Libtiff Libtiff, published on 22 Nov 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka "cpStripToTile heap-buffer-overflow."
Which versions are affected by CVE-2016-9540?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2016-9540?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-9540 being exploited?
There is no known exploitation of CVE-2016-9540 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2016-9540, GHSA-5m38-69cg-mcjw, UBUNTU-CVE-2016-9540.