CVE-2018-12292 Use after free in n/a

Critical 9.8 Published 13 Jun 2018 Updated 5 Aug 2024

A use-after-free flaw in Pale Moon allows attackers to execute arbitrary code via crafted web content.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-12292?

CVE-2018-12292 is a critical use after free vulnerability in n/a, published on 13 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A use-after-free vulnerability exists in DOMProxyHandler::EnsureExpandoObject in Pale Moon before 27.9.3.

Weakness: CWE-416

Which versions are affected by CVE-2018-12292?

It affects 1 product.

Products include Palemoon Pale Moon.

How do I fix CVE-2018-12292?

No fix has been published for CVE-2018-12292 yet. Limit exposure of the affected software until one is available.

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-2018-12292 being exploited?

There is no known exploitation of CVE-2018-12292 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-r5hq-fqrw-h33h.