Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability

published 2025-12-19 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-204463

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-19)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Foxit Software Inc. Foxit PDF Reader
Foxit Software Inc. Foxit PDF Editor

Classification

Weakness

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

References

foxit.com /support/security-bulletins.html
vendor-advisory

Sources

CVE List CVE-2025-66497
NVD CVE-2025-66497

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Summary