CVE-2016-5646 Memory corruption in Perceptive Document Filters

High 7.8 Published 6 Jan 2017 Updated 6 Aug 2024

Heap overflow in Lexmark Perceptive Document Filters allows remote code execution via a specially crafted CBFF file.

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: None listed

What is CVE-2016-5646?

CVE-2016-5646 is a high-severity memory corruption vulnerability in Lexmark Perceptive Document Filters, published on 6 Jan 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

An exploitable heap overflow vulnerability exists in the Compound Binary File Format (CBFF) parser functionality of Lexmark Perceptive Document Filters library. A specially crafted CBFF file can cause a code execution. An attacker can send a malformed file to trigger this vulnerability.

Weakness: CWE-119

Which versions are affected by CVE-2016-5646?

It affects 1 product.

Products include Lexmark Perceptive Document Filters.

How do I fix CVE-2016-5646?

No fix has been published for CVE-2016-5646 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-5646 being exploited?

There is no known exploitation of CVE-2016-5646 in the wild and no public exploit code.

Sources

Also known as GHSA-fr4q-m8p5-w8cv.