How severe is CVE-2016-3740?

CVE-2016-3740 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-2016-3740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3740?

CVE-2016-3740 affects Foxitsoftware Foxit Reader. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3740?

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.

When was CVE-2016-3740 published?

CVE-2016-3740 was published on 2017-04-04 and last updated on 2026-06-17.

CVE-2016-3740

CVE-2016-3740 is a high-severity vulnerability in Foxitsoftware Foxit Reader with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Foxitsoftware Foxit Reader
Published: 2017-04-04
Last modified: 2026-06-17

Description

Heap-based buffer overflow in the CreateFXPDFConvertor function in ConvertToPdf_x86.dll in Foxit Reader 7.3.4.311 allows remote attackers to execute arbitrary code via a large SamplesPerPixel value in a crafted TIFF image that is mishandled during PDF conversion. This is fixed in 8.0.

Frequently asked questions

What is CVE-2016-3740?: Heap-based buffer overflow in the CreateFXPDFConvertor function in ConvertToPdf_x86.dll in Foxit Reader 7.3.4.311 allows remote attackers to execute arbitrary code via a large SamplesPerPixel value in a crafted TIFF image that is mishandled during PDF conversion. This is fixed in 8.0.
How severe is CVE-2016-3740?: CVE-2016-3740 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-2016-3740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3740?: CVE-2016-3740 affects Foxitsoftware Foxit Reader. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3740?: 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.
When was CVE-2016-3740 published?: CVE-2016-3740 was published on 2017-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:foxitsoftware:foxit_reader:7.3.4.311:*:*:*:*:*:*:*

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