What’s Vulnerable › Vulnerabilities

CVE-2021-39821: Adobe InDesign TIF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-29 · updated 2026-06-17
• Weakness: CWE-125

Description

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) are affected by an out-of-bounds read vulnerability that could result in 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 TIF file.

Affected products

• Adobe InDesign Desktop: through 16.3.2; through 16.3

References

• https://helpx.adobe.com/security/products/indesign/apsb21-73.html
• https://helpx.adobe.com/security/products/indesign/apsb21-73.html

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