CVE-2021-21088

High

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Adobe Acrobat

PublishedSep 6, 2023

First seenSep 6, 2023

Weakness typeCWE-416Use after free

How to fix

Update

adobe acrobat17.011.30190, 20.001.30020 or later
adobe acrobat_dc21.001.20135 or later
adobe acrobat_reader17.011.30190, 20.001.30020 or later
adobe acrobat_reader_dc21.001.20135 or later

Vendor advisories

helpx.adobe.com/security/products/acrobat/apsb21-09.html

Affected products

Product	Affected versions	Fixed in
adobe acrobat	17.011.30180 ≤ v < 17.011.30190, 20.001.30005 ≤ v < 20.001.30020	17.011.30190, 20.001.30020
adobe acrobat_dc	15.007.20033 ≤ v < 21.001.20135	21.001.20135
adobe acrobat_reader	17.011.30180 ≤ v < 17.011.30190, 20.001.30005 ≤ v < 20.001.30020	17.011.30190, 20.001.30020
adobe acrobat_reader_dc	15.007.20033 ≤ v < 21.001.20135	21.001.20135

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