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CVE-2023-51549: Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-416

Description

Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Doc objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21867.

Affected products

• Foxit PDF Reader: through 10.1.12.37872; from 11.0.0.49893 through 11.2.7.53812; from 12.0.0.12394 through 12.1.3.15356; 13.0.0.21632, 2023.1.0.15510, 2023.2.0.21408
• Foxit Pdf Reader: through 2023.2.0.21408

References

• https://www.foxit.com/support/security-bulletins.html
• https://www.zerodayinitiative.com/advisories/ZDI-23-1863/
• https://www.foxit.com/support/security-bulletins.html
• https://www.zerodayinitiative.com/advisories/ZDI-23-1863/

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