CVE-2021-34953

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14658.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-457

Affected software

No affected versions have been published.

Timeline

Published
May 7, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-34953: High severity, CVSS 7.8 | Vulnix