#VU79854 Untrusted pointer dereference in PDF-XChange Editor - CVE-2023-39501

Vulnerability identifier: #VU79854

Vulnerability risk: High

CVSSv4.0: 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/E:U/U:Amber

CVE-ID: CVE-2023-39501

CWE-ID: CWE-822

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
PDF-XChange Editor

Software vendor:
PDF-XChange

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to untrusted pointer dereference when processing OXPS file. A remote attacker can trick the victim to open a specially crafted PDF file and execute arbitrary code on the system.

Install updates from vendor's website.

• https://www.zerodayinitiative.com/advisories/ZDI-23-1135/