Known Exploited Vulnerability: CVE-2009-3459

Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

Catalog version: 2026.07.22 Date added: 2026-05-20 Due date: 2026-06-03 CISA catalog

Vendor: Adobe

Product: Acrobat and Reader

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.

Known ransomware campaign use: Unknown

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

CWEs

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