PT-2021-6064 · Foxit · Foxit Pdf Editor

Published 2021-08-11 · Updated 2025-08-13 · CVE-2021-34959

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor (affected versions not specified)

Description This issue allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability, where the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects, resulting 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

BDU:2022-00663

CVE-2021-34959

ZDI-21-1190

Affected Products

Foxit Pdf Editor

References · 11

• https://osv.dev/vulnerability/CVE-2021-34959 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1190 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/671771 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34959 · Security Note
• https://bdu.fstec.ru/vul/2022-00663 · Security Note
• https://safe-surf.ru/upload/VULN/VULN-20211130.5.pdf · Security Note
• https://t.me/cveNotify/132091 · Telegram Post
• https://t.me/cvenotify/79515 · Telegram Post
• https://twitter.com/CVEnew/status/1788295962726916291 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2021112906 · Note