CVE-2026-5937 Foxit PDF Editor/Reader's insufficient parameter validation leads to denial-of-service vulnerability
An attacker can cause a denial of service in Foxit PDF Editor or Reader by providing a malformed file that triggers an unhandled exception.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-5937?
CVE-2026-5937 is a medium-severity denial of service vulnerability in Foxit Pdf Editor, published on 27 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Insufficient parameter verification leads to the occurrence of format errors in files, which will trigger an unhandled "std::invalid_argument" exception, ultimately causing the program to terminate.
Weakness: CWE-248
Which versions are affected by CVE-2026-5937?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-5937?
No fix has been published for CVE-2026-5937 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-2026-5937 being exploited?
There is no known exploitation of CVE-2026-5937 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-wv7r-xg3p-ccr7.