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CVE-2023-21579: Adobe Acrobat Reader DC Font Parsing Integer Overflow Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-18 · updated 2026-06-17
• Weakness: CWE-190

Description

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by an Integer Overflow or Wraparound vulnerability that could result in 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 Acrobat for Edge: from 20.001.30005 through 20.005.30418
• Adobe Acrobat DC: from 15.008.20082 through 22.003.20282; from 15.008.20082 through 22.003.20281
• Adobe Acrobat Reader: from 20.001.30005 through 20.005.30418
• Adobe Acrobat Reader: from 15.008.20082 through 22.003.20282; from 15.008.20082 through 22.003.20281

References

• https://helpx.adobe.com/security/products/acrobat/apsb23-01.html
• https://helpx.adobe.com/security/products/acrobat/apsb23-01.html

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