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Vulnerability record · CVE-2016-3740 · published 4 April 2017

CVE-2016-3740: Foxitsoftware foxit reader memory buffer overflow vulnerability

Foxitsoftware · Foxit Reader

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.

7.8 CVSS 3.0 High EPSS 15% · top 3.3% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 6.8
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://0patch.blogspot.com/2016/07/0patching-foxit-readers-heap-buffer.html Third Party Advisory
https://www.foxitsoftware.com/support/security-bulletins.php Vendor Advisory
https://0patch.blogspot.com/2016/07/0patching-foxit-readers-heap-buffer.html Third Party Advisory
https://www.foxitsoftware.com/support/security-bulletins.php Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3740), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.