title: Adobe Acrobat Reader Page Tree Node Recursive Stack Overflow
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.
problem types: Stack-based Buffer Overflow (CWE-121)
affected:
{
product: Acrobat Reader
vendor: Adobe
versions:
lessThanOrEqual: 2020.004.30006, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2017.011.30199, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2021.005.20060, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: None, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 6.1
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
version: 3.1
]