What’s Vulnerable › Vulnerabilities

CVE-2021-21067: Adobe Photoshop CoolType arbitrary stack manipulation in Type 1/Multiple Master

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-12 · updated 2026-06-17
• Weakness: CWE-787

Description

Adobe Photoshop versions 21.2.5 (and earlier) and 22.2 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library. 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.

Affected products

• Adobe Photoshop 2020: before 21.2.6; from 22.0 before 22.3 — fixed in 21.2.6, 22.3

How to fix

Upgrade to a fixed version: Adobe Photoshop 2020 21.2.6, 22.3. Check the vendor advisory for mitigations.

References

• https://helpx.adobe.com/security/products/photoshop/apsb21-17.html
• https://helpx.adobe.com/security/products/photoshop/apsb21-17.html

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