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Adobe Acrobat Reader DC XFA Field Font Size Use-After-Free Remote Code Execution Vulnerability

Reference ID: SSA-1701
Publication date: 10.01.2017
Severity: critical

Affected products/versions: Adobe Acrobat Reader DC

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Acrobat Reader DC. 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 XFA field font size. The process does not properly validate the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process.

References:
ZDI-17-025
CVE-2017-2961
Adobe Security Bulletin APSB17-01