CVE-2021-39839

Adobe Acrobat Reader DC AcroForm getItemAt Use-After-Free Remote Code Execution Vulnerability

State: Published
Severity: 7.8 High
Published: Sep 29, 2021
Updated: Sep 16, 2024
Reserved: Aug 23, 2021

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 in the processing of the AcroForm getItem action 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.

Scores

CVSS	Score	Vector	Source
3.0	7.8 High	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	adobe

Weaknesses

CWE-416 Use After Free (CWE-416)

Affected Products

Product	Versions
Acrobat ReaderAdobe	DC 2021 July and earlierAffected 20.0-Classic 2021 July and earlierAffected 17.0-Classic 2021 July and earlierAffected None and earlierAffected

References

https://helpx.adobe.com/security/products/acrobat/apsb21-55.html

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