CVE-2021-34948

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Foxit PDF Reader Square Annotation Use-After-Free 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 Square annotation 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-14272.

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-416

Affected software

VendorProductVersions
FoxitPDF Reader11.0.0.49893
foxitpdf_reader>= -, <= 11.0.1.49938
foxitpdf_editor>= -, <= 10.1.5.37672
foxitpdf_editor11.0.1.49938
foxitpdf_editor11.0.0.49893

References

Timeline

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

Related CVEs from 2021

CVE-2021-349495.5Foxit PDF Reader Annotation Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose CVE-2021-34958.8An incorrect access control flaw was found in the kiali-operator in versions before 1.33.0 and before 1.24.7. This flaw allows an attacker wCVE-2021-349507.8Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arCVE-2021-349513.3Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers tCVE-2021-349527.8Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrCVE-2021-349537.8Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers toCVE-2021-349547.8Foxit PDF Editor StrikeOut Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execCVE-2021-349557.8Foxit PDF Editor Stamp Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute CVE-2021-349567.8Foxit PDF Editor Underline Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execCVE-2021-349577.8Foxit PDF Editor Highlight Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execCVE-2021-349587.8Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute aCVE-2021-349597.8Foxit PDF Editor Square Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute
CVE-2021-34948: High severity, CVSS 7.8 | Vulnix