CVE-2021-38569 Denial of service in n/a
Attackers can cause a denial of service in Foxit Reader and PhantomPDF by triggering stack consumption via recursive function calls in XFA forms or link objects.
- 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-2021-38569?
CVE-2021-38569 is a high-severity denial of service vulnerability in Foxitsoftware Foxit Reader, published on 11 Aug 2021. 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 10.1.4. It allows stack consumption via recursive function calls during the handling of XFA forms or link objects.
Weakness: CWE-674
Which versions are affected by CVE-2021-38569?
It affects 2 products.
Products include Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf.
How do I fix CVE-2021-38569?
No fix has been published for CVE-2021-38569 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-2021-38569 being exploited?
There is no known exploitation of CVE-2021-38569 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Foxit Reader
Sources
Also known as GHSA-q4qj-v923-5hmh.