VULNERABILITY INTELLIGENCE

CVE-2022-42403

CVSS score7.8 HIGH
EPSS probability0.54%
CISA KEVNot currently listed
Published2023-01-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18892.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-122
  • nvd@nist.gov: CWE-787

Primary references