9 Realms Cybersecurity
AdvisoriesCVE-2009-3459

Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

AdobeAcrobat and ReaderAdded May 20, 2026

CISA Known Exploited Vulnerabilities Data

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.

CISA Due Date

June 3, 2026 (federal agency requirement)

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

External References

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Data sourced from the CISA Known Exploited Vulnerabilities catalog. CISA does not endorse any commercial product or service.