CVE-2018-4892: Adobe Acrobat

High severity, CVSS 8.8. EPSS: 12.2% chance of exploitation in the next 30 days.

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JBIG2 decoder. The vulnerability is triggered by a crafted PDF file that contains a malformed JBIG2 stream. Successful exploitation could lead to arbitrary code execution.

Affected products

• Adobe Acrobat: from 17.0, up to and including 17.011.30070
• Adobe Acrobat DC: from -, up to and including 18.009.20050; from 15.0, up to and including 15.006.30394
• Adobe Acrobat Reader: from 17.0, up to and including 17.011.30070
• Adobe Acrobat Reader DC: from -, up to and including 18.009.20050; from 15.0, up to and including 15.006.30394

Published 2018-02-27. Last modified 2026-06-17.