CVE-2021-42731: adobe indesign Classic Buffer Overflow

Vulnerability summary

CVE-2021-42731 is a high (CVSS 9.3) Classic Buffer Overflow vulnerability in adobe indesign. EPSS estimates a 5.17% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities.

Timeline

1. 16-11-2021
   PublishedVulnerability first disclosed.
2. 23-04-2025
   Last modifiedVulnerability information updated.

Description

Adobe InDesign versions 16.4 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.