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CVE-2023-38229: ZDI-CAN-21310: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-10 · updated 2026-06-17
• Weakness: CWE-125

Description

Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by an out-of-bounds read 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 20.005.30516.10516; from 20.001.30005 before 20.005.30514.10514 — fixed in 20.005.30514.10514
• Adobe Acrobat DC: from 15.008.20082 before 23.003.20269 — fixed in 23.003.20269
• Adobe Acrobat Reader: from 20.001.30005 before 20.005.30516.10516; from 20.001.30005 before 20.005.30514.10514 — fixed in 20.005.30514.10514, 20.005.30516.10516
• Adobe Acrobat Reader: from 15.008.20082 before 23.003.20269 — fixed in 23.003.20269

How to fix

Upgrade to a fixed version: Adobe Acrobat for Edge 20.005.30514.10514; Adobe Acrobat DC 23.003.20269; Adobe Acrobat Reader 20.005.30514.10514, 20.005.30516.10516; Adobe Acrobat Reader 23.003.20269. Check the vendor advisory for mitigations.

References

• https://helpx.adobe.com/security/products/acrobat/apsb23-30.html
• https://helpx.adobe.com/security/products/acrobat/apsb23-30.html

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