CVE-2009-3459 Adobe Acrobat and Reader Heap-Based Buffer Overflow

Exploited in the wild High 8.8 Published Updated

Remote attackers can execute arbitrary code via crafted PDF files due to heap-based buffer overflow in Adobe Reader and Acrobat.

Exploited in the wild
Since 20 May 2026
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2009-3459?

CVE-2009-3459 is a high-severity memory corruption vulnerability in Adobe Acrobat, published on 13 Oct 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-119, CWE-122

Which versions are affected by CVE-2009-3459?

It affects 2 products.

Products include Adobe Acrobat, Adobe Acrobat Reader.

How do I fix CVE-2009-3459?

Apply the vendor's patch. US federal agencies must fix it by 3 Jun 2026.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-3459 being exploited?

Yes. Attackers have exploited CVE-2009-3459 in the wild since at least 20 May 2026.

Public exploit code: 2 Metasploit modules and 2 Exploit-DB entries.

All Adobe Acrobat vulnerabilities

Sources

Also known as GHSA-q52p-3m33-w676.

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