CVE-2020-8857

HIGH

Foxit Reader < 9.7.0.29478 and PhantomPDF < 9.7.0.29455 - Use-After-Free in AcroForms Annotation Parsing

Title source: llm
STIX 2.1

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.7.0.29455. 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 form Annotation objects within AcroForms. 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-9862.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-213/

Scores

CVSS v3 7.8
EPSS 0.0093
EPSS Percentile 76.4%
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 (2)
foxitsoftware/phantompdf < 9.7.0.29455
foxitsoftware/reader < 9.7.0.29478
Published Feb 14, 2020
Tracked Since Feb 18, 2026