CVE-2021-21086

Published: Sep 2, 2021Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (6)

Products: Adobe: Acrobat, Acrobat Dc, Acrobat Reader, Acrobat Reader Dc

4 products

Configuration A

6 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Adobe Acrobat	From 17.011.30056 to 17.011.30188
Adobe Acrobat	From 20.001.30005 to 20.001.30018
Adobe Acrobat Dc	From 20.006.20042 to 20.013.20074
Adobe Acrobat Reader	From 17.011.30059 to 17.011.30188
Adobe Acrobat Reader	From 20.001.30005 to 20.001.300183
Adobe Acrobat Reader Dc	From 20.006.20042 to 20.013.20074

Running on/with	Platform Versions
Apple Macos	All versions
Microsoft Windows	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

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

Source: psirt@adobe.com

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.