VULNERABILITY INTELLIGENCE
CVE-2021-39846
CVSS score6.1 MEDIUM
EPSS probability2.59%
CISA KEVNot currently listed
Published2021-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
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 stack overflow vulnerability due to insecure handling of a crafted PDF file, potentially resulting in memory corruption in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted PDF file in Acrobat Reader.
Weakness classification
- psirt@adobe.com: CWE-121
- nvd@nist.gov: CWE-787
Primary references
- psirt@adobe.com — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory