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CVE-2025-27159
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

A Use After Free vulnerability (CVE-2025-27159) was discovered in Adobe Acrobat Reader versions 24.001.30225, 20.005.30748, 25.001.20428 and earlier. The vulnerability was disclosed on March 11, 2025, and was discovered by Mark Vincent Yason working with Trend Micro Zero Day Initiative (NVD, ZDI Advisory).

Technical details

The vulnerability exists within the handling of Annotation objects and stems from the lack of validating the existence of an object prior to performing operations on it. The issue has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-416 (Use After Free) (ZDI Advisory, NVD).

Impact

Successful exploitation of this vulnerability could lead to arbitrary code execution in the context of the current user. The attack could result in complete compromise of confidentiality, integrity, and availability of the affected system (Rapid7, ZDI Advisory).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users are advised to update to the latest version of Adobe Acrobat Reader (Adobe Security).

Additional resources


SourceThis report was generated using AI

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