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CVE-2021-28593: Adobe Illustrator PostScript Parsing Use-After-Free Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% 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-416

Description

Adobe Illustrator version 25.2.3 (and earlier) is affected by a Use After Free vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose potential sensitive 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 25.2.3

References

• https://helpx.adobe.com/security/products/illustrator/apsb21-42.html
• https://helpx.adobe.com/security/products/illustrator/apsb21-42.html

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