CVE-2021-34831

HIGH

Foxit Reader < 11.0.0.49893 and PDF Editor < 10.1.4.37651 - Use-After-Free in Document Object Handling

Title source: llm
STIX 2.1

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.4.37651. 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 handling of Document objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13741.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-913/

Scores

CVSS v3 7.8
EPSS 0.0138
EPSS Percentile 80.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (3)
foxit/pdf_reader < 11.0.0.49893
foxitsoftware/pdf_editor 11.0.0.49893
foxitsoftware/pdf_editor < 10.1.4.37651
Published Aug 04, 2021
Tracked Since Feb 18, 2026