CVE-2017-16938 Memory corruption in n/a
Remote attackers can cause denial of service via a maliciously crafted GIF file due to a buffer overflow in OptiPNG.
- 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-2017-16938?
CVE-2017-16938 is a high-severity memory corruption vulnerability in n/a, published on 24 Nov 2017. 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
A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.
Weakness: CWE-119
Which versions are affected by CVE-2017-16938?
It affects 1 product.
Products include Optipng Project Optipng.
How do I fix CVE-2017-16938?
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-2017-16938 being exploited?
There is no known exploitation of CVE-2017-16938 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-16938, DLA-1196-1, GHSA-78q2-wp6j-q4hp, UBUNTU-CVE-2017-16938.