CVE-2018-21240 Denial of service in n/a
An attacker can cause a denial of service in Foxit Reader and 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-2018-21240?
CVE-2018-21240 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 Reader and PhantomPDF before 9.2. It allows memory consumption via an ArrayBuffer(0xfffffffe) call.
Weakness: CWE-400
Which versions are affected by CVE-2018-21240?
It affects 2 products.
Products include Foxitsoftware Phantompdf, Foxitsoftware Reader.
How do I fix CVE-2018-21240?
No fix has been published for CVE-2018-21240 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-2018-21240 being exploited?
There is no known exploitation of CVE-2018-21240 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Phantompdf
Sources
Also known as GHSA-v74x-f396-6xwp.