CVE-2021-21103: Adobe Illustrator memory corruption vulnerability could lead to information disclosure

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-08 · updated 2026-06-17
Weakness: CWE-788

Description

Adobe Illustrator version 25.2 (and earlier) is affected by a memory corruption vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information 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 Illustrator: through 25.2

References

https://helpx.adobe.com/security/products/illustrator/apsb21-24.html
https://helpx.adobe.com/security/products/illustrator/apsb21-24.html

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