How severe is CVE-2025-55313?

CVE-2025-55313 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-55313 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55313?

CVE-2025-55313 primarily affects Foxit Pdf Editor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-55313?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-55313 have an EU (EUVD) identifier?

Yes. CVE-2025-55313 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202707.

When was CVE-2025-55313 published?

CVE-2025-55313 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-55313

CVE-2025-55313 is a high-severity vulnerability in Foxit Pdf Editor with a CVSS 3.x base score of 7.8. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202707
Weakness: CWE-94
Affected product: Foxit Pdf Editor
Published: 2025-12-11
Last modified: 2026-06-17

Description

An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. They allow potential arbitrary code execution when processing crafted PDF files. The vulnerability stems from insufficient handling of memory allocation failures after assigning an extremely large value to a form field's charLimit property via JavaScript. This can result in memory corruption and may allow an attacker to execute arbitrary code by persuading a user to open a malicious file.

Frequently asked questions

What is CVE-2025-55313?: An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. They allow potential arbitrary code execution when processing crafted PDF files. The vulnerability stems from insufficient handling of memory allocation failures after assigning an extremely large value to a form field's charLimit property via JavaScript. This can result in memory corruption and may allow an attacker to execute arbitrary code by persuading a user to open a malicious file.
How severe is CVE-2025-55313?: CVE-2025-55313 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-55313 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55313?: CVE-2025-55313 primarily affects Foxit Pdf Editor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-55313?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55313 have an EU (EUVD) identifier?: Yes. CVE-2025-55313 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202707.
When was CVE-2025-55313 published?: CVE-2025-55313 was published on 2025-12-11 and last updated on 2026-06-17.

References

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

Affected products (4)

cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2025.1.0.27937:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2025.1.0.66692:*:*:*:*:*:*:*

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