CVE-2009-0084 Use after free in n/a

Critical 9.3 Published 15 Apr 2009 Updated 7 Aug 2024

Remote attackers can execute arbitrary code via a malicious MJPEG file or stream exploiting a use-after-free flaw in Microsoft DirectX.

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-2009-0084?

CVE-2009-0084 is a critical use after free vulnerability in n/a, published on 15 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

Use-after-free vulnerability in DirectShow in Microsoft DirectX 8.1 and 9.0 allows remote attackers to execute arbitrary code via an MJPEG file or video stream with a malformed Huffman table, which triggers an exception that frees heap memory that is later accessed, aka "MJPEG Decompression Vulnerability."

Weakness: CWE-94

Which versions are affected by CVE-2009-0084?

It affects 1 product.

Products include Microsoft Directx.

How do I fix CVE-2009-0084?

No fix has been published for CVE-2009-0084 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2009-0084 being exploited?

There is no known exploitation of CVE-2009-0084 in the wild and no public exploit code.

Sources

Also known as GHSA-r85w-v686-f8j6.