EXP-2021-0014

A heap buffer overflow vulnerability exists in the IA32.api module of Adobe Acrobat and Acrobat Reader DC. Upon parsing a specially crafted PDF document containing URI entries with URI dictionaries and a specially crafted base URL defined with raw Unicode strings can trigger the vulnerability to achieve remote code execution.

Vulnerability Identifiers

• Exodus Intelligence: EXP-2021-0014
• MITRE CVE: CVE-2021-39863

Vulnerability Metrics

• CVSS Score: 8.8

Vendor References

• https://helpx.adobe.com/security/products/acrobat/apsb21-55.html

Discovery Credit

• Exodus Intelligence

Disclosure Timeline

• Disclosed to affected vendor: June 28th, 2021
• Disclosed to public: September 14th, 2021

Further Information

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