CVE-2025-66496 Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability
Attackers can execute arbitrary code by tricking users into opening a PDF with malformed 3D annotation data in Foxit PDF Reader.
- 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-2025-66496?
CVE-2025-66496 is a medium-severity memory corruption vulnerability in Foxit Pdf Editor, published on 19 Dec 2025. 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
A memory corruption vulnerability exists in the 3D annotation handling of Foxit PDF Reader due to insufficient bounds checking when parsing PRC data. When opening a PDF file containing malformed or specially crafted PRC content, out-of-bounds memory access may occur, resulting in memory corruption.
Which versions are affected by CVE-2025-66496?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2025-66496?
No fix has been published for CVE-2025-66496 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-2025-66496 being exploited?
There is no known exploitation of CVE-2025-66496 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-vf25-p22q-rg8q.