CVE-2009-3459

HighActively exploited (CISA KEV)

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductAdobe Acrobat and Reader
PublishedOct 13, 2009
First seenOct 13, 2009
Added to KEVMay 20, 2026
Weakness typeCWE-122CWE-122

How to fix

CISA 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: Jun 3, 2026
Update
  • adobe acrobat7.1.4, 8.1.7, 9.2 or later
  • adobe acrobat_reader7.1.4, 8.1.7, 9.2 or later

Affected products

ProductAffected versionsFixed in
adobe acrobat7.0 ≤ v < 7.1.4, 8.0 ≤ v < 8.1.7, 9.0 ≤ v < 9.27.1.4, 8.1.7, 9.2
adobe acrobat_reader7.0 ≤ v < 7.1.4, 8.0 ≤ v < 8.1.7, 9.0 ≤ v < 9.27.1.4, 8.1.7, 9.2

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