CVE-2026-57251 Foxit PDF Editor/Reader Cloud Appearance Buffer Overflow Vulnerability
A buffer overflow in Foxit PDF Editor and Reader allows attackers to cause a denial of service via a crafted PDF file.
- 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-2026-57251?
CVE-2026-57251 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
The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.
Weakness: CWE-129
Which versions are affected by CVE-2026-57251?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-57251?
No fix has been published for CVE-2026-57251 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-2026-57251 being exploited?
There is no known exploitation of CVE-2026-57251 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-vj42-9r5c-37wj.