How severe is CVE-2025-66497?

CVE-2025-66497 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-66497 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66497?

CVE-2025-66497 primarily affects Foxit Pdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-66497?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-66497 have an EU (EUVD) identifier?

Yes. CVE-2025-66497 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204463.

When was CVE-2025-66497 published?

CVE-2025-66497 was published on 2025-12-19 and last updated on 2026-06-17.

CVE-2025-66497

CVE-2025-66497 is a medium-severity vulnerability in Foxit Pdf Editor with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204463
Weakness: CWE-787
Affected product: Foxit Pdf Editor
Published: 2025-12-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-66497?: 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.
How severe is CVE-2025-66497?: CVE-2025-66497 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-66497 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66497?: CVE-2025-66497 primarily affects Foxit Pdf Editor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-66497?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66497 have an EU (EUVD) identifier?: Yes. CVE-2025-66497 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204463.
When was CVE-2025-66497 published?: CVE-2025-66497 was published on 2025-12-19 and last updated on 2026-06-17.

References

https://www.foxit.com/support/security-bulletins.html

Affected products (2)

cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

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