CVE-2016-7504 Use after free in n/a

Critical 9.8 Published 29 Oct 2016 Updated 6 Aug 2024

A use-after-free in MuJS allows attackers to execute arbitrary code or cause denial of service via crafted JavaScript.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-7504?

CVE-2016-7504 is a critical use after free vulnerability in n/a, published on 29 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A use-after-free vulnerability was observed in Rp_toString function of Artifex Software, Inc. MuJS before 5c337af4b3df80cf967e4f9f6a21522de84b392a. A successful exploitation of this issue can lead to code execution or denial of service condition.

Weakness: CWE-416

Which versions are affected by CVE-2016-7504?

It affects 1 product.

Products include Artifex Mujs.

How do I fix CVE-2016-7504?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-7504 being exploited?

There is no known exploitation of CVE-2016-7504 in the wild and no public exploit code.

Sources

Also known as GHSA-fjq3-r85p-jv63, UBUNTU-CVE-2016-7504.