CVE-2021-36005: Adobe Photoshop PSD File Parsing Stack Overflow Vulnerability

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-20 · updated 2026-06-17
Weakness: CWE-121

Description

Adobe Photoshop versions 21.2.9 (and earlier) and 22.4.2 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted PSD file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted PSD file in Photoshop.

Affected products

Adobe Photoshop: from 21.0.0 through 21.2.9; from 22.0.0 through 22.4.2

References

https://helpx.adobe.com/security/products/photoshop/apsb21-63.html
https://helpx.adobe.com/security/products/photoshop/apsb21-63.html

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