CVE-2021-21006: Heap buffer overflow when handling crafted font file could lead to arbitrary code execution

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-13 · updated 2026-06-17
Weakness: CWE-122

Description

Adobe Photoshop version 22.1 (and earlier) is affected by a heap buffer overflow vulnerability when handling a specially crafted font file. Successful exploitation could lead to arbitrary code execution. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

Adobe Photoshop: through 22.1

References

https://helpx.adobe.com/security/products/photoshop/apsb21-01.html
https://helpx.adobe.com/security/products/photoshop/apsb21-01.html

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