CVE-2018-18510 Denial of service in Firefox

Q: Is CVE-2018-18510 being exploited?

There is no known exploitation of CVE-2018-18510 in the wild and no public exploit code.

Q: How do I fix CVE-2018-18510?

No fix has been published for CVE-2018-18510 yet. Limit exposure of the affected software until one is available.

Medium 6.5 Published 26 Apr 2019 Updated 5 Aug 2024

A malicious website can trigger internal crash pages in Firefox, causing a non-persistent denial of service by crashing the browser or tab.

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-2018-18510?

CVE-2018-18510 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 26 Apr 2019. 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

The about:crashcontent and about:crashparent pages can be triggered by web content. These pages are used to crash the loaded page or the browser for test purposes. This issue allows for a non-persistent denial of service (DOS) attack by a malicious site which links to these pages. This vulnerability affects Firefox < 64.

Which versions are affected by CVE-2018-18510?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2018-18510?

No fix has been published for CVE-2018-18510 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-18510 being exploited?

There is no known exploitation of CVE-2018-18510 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-pphh-8m7v-77cf.