CVE-2016-6525 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause a crash in MuPDF via a heap-based buffer overflow in the PDF shade parsing function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6525?
CVE-2016-6525 is a critical memory corruption vulnerability in Artifex Mupdf, published on 22 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a large decode array.
Weakness: CWE-119
Which versions are affected by CVE-2016-6525?
It affects 2 products.
Products include Artifex Mupdf, Debian Debian Linux.
How do I fix CVE-2016-6525?
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-2016-6525 being exploited?
There is no known exploitation of CVE-2016-6525 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2016-6525, DLA-589-1, GHSA-9g7x-w32v-gmpx, MGASA-2016-0286, UBUNTU-CVE-2016-6525.