CVE-2009-1493 Memory corruption in n/a

Medium 6.8 Published Updated

Remote attackers can execute arbitrary code or cause denial of service in Adobe Reader via a malicious PDF file exploiting a memory corruption flaw.

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

What is CVE-2009-1493?

CVE-2009-1493 is a medium-severity memory corruption vulnerability in Adobe Reader, published on 30 Apr 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

The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.

Weakness: CWE-399

Which versions are affected by CVE-2009-1493?

It affects 1 product.

Products include Adobe Reader.

How do I fix CVE-2009-1493?

Upgrade to a fixed version.

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

Is CVE-2009-1493 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1493 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-f62c-gjq3-9jwj.

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