CVE-2018-16764 Memory corruption in n/a

High 8.8 Published 10 Sep 2018 Updated 5 Aug 2024

A heap-based buffer over-read in WAVM allows attackers to cause a denial of service via a crafted file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-16764?

CVE-2018-16764 is a high-severity memory corruption vulnerability in n/a, published on 10 Sep 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an IR::FunctionValidationContext::catch_all heap-based buffer over-read.

Weakness: CWE-125

Which versions are affected by CVE-2018-16764?

It affects 1 product.

Products include Webassembly Virtual Machine Project Webassembly Virtual Machine.

How do I fix CVE-2018-16764?

No fix has been published for CVE-2018-16764 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-2018-16764 being exploited?

There is no known exploitation of CVE-2018-16764 in the wild and no public exploit code.

Sources

Also known as GHSA-8258-3qq7-qh2g.