VulnerabilityALERT High

CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.

Impact

CISA lists CVE-2009-3459 as known exploited in the wild for Adobe Acrobat and Reader. Ransomware campaign use: Unknown. Federal remediation due date: 2026-06-03.

Recommended Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Published: 5/20/2026, 12:00:00 AMSource: CISA Known Exploited Vulnerabilities CatalogTags: CVE-2009-3459, Adobe, Acrobat and Reader, CISA KEV, CWE-119