CVE-2018-21238 Denial of service in n/a

High 7.5 Published Updated

An attacker can cause a denial of service in Foxit PhantomPDF by triggering excessive memory consumption via a crafted ArrayBuffer call.

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-2018-21238?

CVE-2018-21238 is a high-severity denial of service vulnerability in Foxitsoftware Phantompdf, published on 4 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Foxit PhantomPDF before 8.3.7. It allows memory consumption via an ArrayBuffer(0xfffffffe) call.

Weakness: CWE-400

Which versions are affected by CVE-2018-21238?

It affects 1 product.

Products include Foxitsoftware Phantompdf.

How do I fix CVE-2018-21238?

No fix has been published for CVE-2018-21238 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-2018-21238 being exploited?

There is no known exploitation of CVE-2018-21238 in the wild and no public exploit code.

All Foxitsoftware Phantompdf vulnerabilities

Sources

Also known as GHSA-g9mr-qqxv-2xqv.

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