Integer overflow in Adobe Reader and Adobe Acrobat - CVE-2023-21579
Published: January 10, 2023 / Updated: February 1, 2023
Vulnerability identifier: #VU70881
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-2023-21579
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Adobe Reader
Adobe Acrobat
Adobe Acrobat
How to mitigate CVE-2023-21579
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