Out-of-bounds read in Adobe Reader and Adobe Acrobat - CVE-2022-34239
Published: July 13, 2022 / Updated: July 14, 2022
Vulnerability identifier: #VU65238
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34239
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a boundary error when processing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger an out-of-bounds read error and gain access to sensitive information.
Affected software
Adobe Reader
Adobe Acrobat
Adobe Acrobat
How to mitigate CVE-2022-34239
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