Use-after-free in Adobe Reader and Adobe Acrobat - CVE-2023-38238
Published: August 8, 2023 / Updated: August 15, 2023
Vulnerability identifier: #VU79193
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-2023-38238
CWE-ID: CWE-416
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 use-after-free error when parsing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a memory leak and gain access to sensitive information.
Affected software
Adobe Reader
Adobe Acrobat
Adobe Acrobat
How to mitigate CVE-2023-38238
Install updates from vendor's website.
Adobe Reader - addressed in versions 20.005.30514.10514, 20.005.30516.10516, 23.003.20269
Adobe Acrobat - addressed in versions 20.005.30514.10514, 20.005.30516.10516, 23.003.20269
Adobe Acrobat - addressed in versions 20.005.30514.10514, 20.005.30516.10516, 23.003.20269