Out-of-bounds read in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2021-34976

 

Out-of-bounds read in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2021-34976

Published: November 29, 2021


Vulnerability identifier: #VU58423
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34976
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and cause a denial of service condition on the system.


Affected software

Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows

How to mitigate CVE-2021-34976

Install updates from vendor's website.


External References

Related Security Bulletins