CVE Watch—

CVE-2009-3459

Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

86.6%

p100

KEV

YES

May 20, 2026

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

86.6%EPSS · 30 days86.6%

2026-08-022026-08-30

KEV catalog record

Product

Adobe / Acrobat and Reader

Vulnerability

Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

Added to KEV

May 20, 2026

Remediate by

Jun 3, 2026

Known ransomware use

Summary description

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.

Required 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.

Notes

https://www.cisa.gov/news-events/alerts/2009/10/13/adobe-reader-and-acrobat-vulnerabilities ; https://web.archive.org/web/20120324170253/http://www.adobe.com/support/security/bulletins/apsb09-15.html#:~:text=CVE%2D2009%2D3459).-,NOTE%3A,-There%20are%20reports ; https://nvd.nist.gov/vuln/detail/CVE-2009-3459

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