Use-after-free in Adobe Reader and Adobe Acrobat - CVE-2023-21608
Published: January 10, 2023 / Updated: October 10, 2023
Vulnerability identifier: #VU70893
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-2023-21608
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the resetForm method when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file 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-2023-21608
Install updates from vendor's website.
Adobe Reader - addressed in versions 20.005.30436, 22.003.20310
Adobe Acrobat - addressed in versions 20.005.30436, 22.003.20310
Adobe Acrobat - addressed in versions 20.005.30436, 22.003.20310