CVE-2018-4892

moderate-risk

Published 2018-02-27

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.

Do I need to act?

2.5% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (6)

Acrobat

Acrobat Dc

Acrobat Reader

Acrobat Reader Dc

Affected Vendors

Adobe

References (6)

Third Party Advisory http://www.securityfocus.com/bid/102995

Third Party Advisory http://www.securitytracker.com/id/1040364

Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb18-02.html

Third Party Advisory http://www.securityfocus.com/bid/102995

Third Party Advisory http://www.securitytracker.com/id/1040364

Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb18-02.html

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moderate-risk

Severity 30/34 · Critical

Exploitability 6/34 · Minimal

Exposure 13/34 · Low