CVE-2018-9950

MEDIUM

Foxit Reader and PhantomPDF < 9.0.1.1049 - Out-of-bounds Read in PDF Parser

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-9950. PoCs published by sandi-go.

AI-analyzed exploit summary This repository contains a writeup for CVE-2018-9950, an out-of-bounds read vulnerability in Foxit Reader and PhantomPDF. The flaw allows remote attackers to disclose sensitive information via a malicious PDF file due to improper validation of user-supplied data.

Description

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF documents. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-5413.

Exploits (1)

nomisec WRITEUP
by sandi-go · poc
https://github.com/sandi-go/PS-2017-13---CVE-2018-9950

This repository contains a writeup for CVE-2018-9950, an out-of-bounds read vulnerability in Foxit Reader and PhantomPDF. The flaw allows remote attackers to disclose sensitive information via a malicious PDF file due to improper validation of user-supplied data.

Classification
Writeup 90%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Theoretical
Target: Foxit Reader 8.3.5.30351 and prior, Foxit PhantomPDF 8.3.5.30351 and prior
No auth needed
Prerequisites: Target must open a malicious PDF file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.foxitsoftware.com/support/security-bulletins.php
Third Party Advisory, VDB Entry x_refsource_misc
https://zerodayinitiative.com/advisories/ZDI-18-334

Scores

CVSS v3 6.5
EPSS 0.0419
EPSS Percentile 89.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (2)
foxitsoftware/foxit_reader < 9.0.1.1049
foxitsoftware/phantompdf < 9.0.1.1049
Published May 17, 2018
Tracked Since Feb 18, 2026