What’s Vulnerable › Vulnerabilities

CVE-2017-17557

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-24 · updated 2026-06-17
• Weakness: CWE-119

Description

In Foxit Reader before 9.1 and Foxit PhantomPDF before 9.1, a flaw exists within the parsing of the BITMAPINFOHEADER record in BMP files. The issue results from the lack of proper validation of the biSize member, which can result in a heap based buffer overflow. An attacker can leverage this to execute code in the context of the current process.

Affected products

• Foxit Reader: before 9.1 — fixed in 9.1
• Foxit PhantomPDF: before 9.1 — fixed in 9.1

How to fix

Upgrade to a fixed version: Foxit Reader 9.1; Foxit PhantomPDF 9.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/103999
• http://www.securitytracker.com/id/1040733
• https://blog.0patch.com/2018/05/0patching-foxit-reader-buffer-oops.html
• https://www.foxitsoftware.com/support/security-bulletins.php
• http://www.securityfocus.com/bid/103999
• http://www.securitytracker.com/id/1040733
• https://blog.0patch.com/2018/05/0patching-foxit-reader-buffer-oops.html
• https://www.foxitsoftware.com/support/security-bulletins.php

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