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High · 7.8 CVE-2021-39842 EUVD-2021-26199GHSA-m629-r54x-ffhf

Adobe Acrobat Reader DC messageHandler.OnMessage Use-After-Free Vulnerability

Published Sep 29, 2021 · Updated Sep 17, 2024 · Assigned by adobe

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

VendorProductAffectedFixed
Adobe Acrobat Reader unspecified – ≤ DC 2021 July, unspecified – ≤ 20.0-Classic 2021 July, unspecified – ≤ 17.0-Classic 2021 July, unspecified – ≤ None —

References