Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability

Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.

cat cve-2021-21017.json

Vendor: Adobe
Product: Acrobat and Reader
CVSS: 8.8
EPSS (exploit probability): 86.3%
Status: kev
CISA patch-by (BOD 22-01): November 17, 2021
Published: November 3, 2021
Source: https://nvd.nist.gov/vuln/detail/CVE-2021-21017

Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2021-11-17.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.