CVE-2016-9534 Memory corruption in n/a
A heap-buffer-overflow in libtiff's TIFFFlushData1 function allows attackers to execute arbitrary code or cause denial of service via crafted TIFF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9534?
CVE-2016-9534 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
tif_write.c in libtiff 4.0.6 has an issue in the error code path of TIFFFlushData1() that didn't reset the tif_rawcc and tif_rawcp members. Reported as MSVR 35095, aka "TIFFFlushData1 heap-buffer-overflow."
Weakness: CWE-119
Which versions are affected by CVE-2016-9534?
It affects 1 product.
Products include Libtiff Libtiff.
How do I fix CVE-2016-9534?
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-2016-9534 being exploited?
There is no known exploitation of CVE-2016-9534 in the wild and no public exploit code.
Other vulnerabilities in Libtiff Libtiff
Sources
Also known as DEBIAN-CVE-2016-9534, GHSA-5jhg-r53r-xqcr, UBUNTU-CVE-2016-9534.