CVE-2025-66499 — HIGH (7.8)

Q: How severe is CVE-2025-66499?

CVE-2025-66499 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-66499?

Check the references section above for vendor advisories and patch information. Affected products include: Foxit Pdf Editor, Foxit Pdf Reader, Microsoft Windows, Apple Macos.

Vulnerability Description

A heap-based buffer overflow vulnerability exists in the PDF parsing of Foxit PDF Reader when processing specially crafted JBIG2 data. An integer overflow in the calculation of the image buffer size may occur, potentially allowing a remote attacker to execute arbitrary code.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Foxit	Pdf Editor	<= 13.2.1.23955
Foxit	Pdf Reader	<= 2025.2.1.33197
Microsoft	Windows	-
Apple	Macos	-

Related Weaknesses (CWE)

CWE-190

References

https://www.foxit.com/support/security-bulletins.htmlVendor Advisory

FAQ

What is CVE-2025-66499?

CVE-2025-66499 is a vulnerability with a CVSS score of 7.8 (HIGH). A heap-based buffer overflow vulnerability exists in the PDF parsing of Foxit PDF Reader when processing specially crafted JBIG2 data. An integer overflow in the calculation of the image buffer size m...

How severe is CVE-2025-66499?

CVE-2025-66499 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66499?

Check the references section above for vendor advisories and patch information. Affected products include: Foxit Pdf Editor, Foxit Pdf Reader, Microsoft Windows, Apple Macos.