Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2022-34237

Vulnerability identifier: #VU65230

CSH Severity: Low

CVSS v4.0: 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/E:U/U:Clear

CVE-ID: CVE-2022-34237

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Adobe

Affected software:
Adobe Acrobat
Adobe Reader

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a use-after-free error when processing embedded fonts. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and gain access to sensitive information.

Install updates from vendor's website.

• https://helpx.adobe.com/security/products/acrobat/apsb22-32.html
• https://www.zerodayinitiative.com/advisories/ZDI-22-981/