VULNERABILITY INTELLIGENCE
CVE-2021-39859
CVSS score5.5 MEDIUM
EPSS probability0.48%
CISA KEVNot currently listed
Published2023-09-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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 lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Weakness classification
- psirt@adobe.com: CWE-416
Primary references
- psirt@adobe.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory