CVE-2025-66496

MEDIUM
Published Dec 19, 2025 Modified Dec 23, 2025 CWE-125 CWE-787

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.

CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-125 Out-of-bounds Read
CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
foxit pdf_editor
foxit pdf_editor
foxit pdf_editor
foxit pdf_editor
foxit pdf_editor
foxit pdf_reader
microsoft windows

References

Frequently Asked Questions

What is CVE-2025-66496? +
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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-66496? +
CVE-2025-66496 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-66496? +
CVE-2025-66496 affects products from foxit, microsoft, specifically: pdf_editor, pdf_reader, windows. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-66496? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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