CVE-2026-57257 Security vulnerability in Foxit PDF Editor/Reader — PRC 3D BRep Renderer Heap OOB Read

Medium 6.1 Published 8 Jul 2026 Updated 8 Jul 2026

An out-of-bounds read in the PRC 3D BRep renderer allows attackers to crash Foxit PDF Editor or Reader via a malicious 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-2026-57257?

CVE-2026-57257 is a medium-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

During the PRC parsing stage, there is a lack of boundary verification for the PRC entity index, which leads to an out-of-bounds read of the entity array. As a result, the application crashes.

Weakness: CWE-125

Which versions are affected by CVE-2026-57257?

It affects 2 products.

Products include Foxit Pdf Editor, Foxit Pdf Reader.

How do I fix CVE-2026-57257?

No fix has been published for CVE-2026-57257 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-2026-57257 being exploited?

There is no known exploitation of CVE-2026-57257 in the wild and no public exploit code.

All Foxit Pdf Editor vulnerabilities

Sources

Also known as GHSA-89mp-9v96-585h.