CVE-2009-3459

HIGH8.8

CISA KEV

Published 2009-10-13 · Updated 2026-06-16 · Source psirt@adobe.com

Summary

CVE-2009-3459 is a high-severity (CVSS 8.8) vulnerability in Adobe Acrobat and Reader. CISA added it to the Known Exploited Vulnerabilities catalog on May 20, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 3, 2026. CISA does not currently list it as used in ransomware campaigns. Adobe has 83 vulnerabilities in the KEV catalog, 11 of them linked to ransomware.

All 83 known-exploited Adobe vulnerabilities →

Description

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained from third party information.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-119CWE-122

CISA Known-Exploited Vulnerability

Product: Adobe — Acrobat and Reader

Name: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

Date added: 2026-05-20 · Due: 2026-06-03

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.

References

View on NVD

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