Type confusion in Adobe Reader and Adobe Acrobat - CVE-2022-34221
Published: July 13, 2022 / Updated: July 13, 2022
Vulnerability identifier: #VU65244
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34221
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a type confusion error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Adobe Reader
Adobe Acrobat
Adobe Acrobat
How to mitigate CVE-2022-34221
Install updates from vendor's website.
Adobe Reader - addressed in versions 17.012.30249, 20.005.30362, 22.001.20169
Adobe Acrobat - addressed in versions 17.012.30249, 20.005.30362, 22.001.20169
Adobe Acrobat - addressed in versions 17.012.30249, 20.005.30362, 22.001.20169