CVE-2026-57246 Foxit PDF Editor/Reader Signature Buffer Overflow Vulnerability
A buffer overflow in Foxit PDF Editor and Reader allows attackers to crash the application via maliciously constructed PDF objects.
- 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-2026-57246?
CVE-2026-57246 is a high-severity memory corruption vulnerability in Foxit Pdf Editor, published on 8 Jul 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
When dealing with abnormally constructed objects, there is a lack of argument validation; JavaScript triggers signature verification, but the signature plugin does not perform validation when copying the abnormal string, causing the application to crash.
Weakness: CWE-120
Which versions are affected by CVE-2026-57246?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-57246?
No fix has been published for CVE-2026-57246 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-57246 being exploited?
There is no known exploitation of CVE-2026-57246 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-hmr8-g2c8-fphv.