CVE-2011-1998 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code in Internet Explorer 9 by exploiting improper memory handling of uninitialized objects.

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
None listed

What is CVE-2011-1998?

CVE-2011-1998 is a critical memory corruption vulnerability in Microsoft Internet Explorer, published on 12 Oct 2011. 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

Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that was not properly initialized, aka "Jscript9.dll Remote Code Execution Vulnerability."

Weakness: CWE-908

Which versions are affected by CVE-2011-1998?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2011-1998?

No fix has been published for CVE-2011-1998 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2011-1998 being exploited?

There is no known exploitation of CVE-2011-1998 in the wild and no public exploit code.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-825m-chm7-qrrg.

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