CVE-2021-21086

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 an Out-of-bounds Write vulnerability in the CoolType library. 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—
ProductAdobe Acrobat
PublishedSep 2, 2021
First seenSep 2, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
adobe acrobat17.011.30056 ≤ v ≤ 17.011.30188, 20.001.30005 ≤ v ≤ 20.001.30018—
adobe acrobat_dc20.006.20042 ≤ v ≤ 20.013.20074—
adobe acrobat_reader17.011.30059 ≤ v ≤ 17.011.30188, 20.001.30005 ≤ v ≤ 20.001.300183—
adobe acrobat_reader_dc20.006.20042 ≤ v ≤ 20.013.20074—

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