Meltytech Shotcut 25.10.31 MLT Project File mlt_image_fill_white width/height memory allocation

Summaryinfo

A vulnerability described as problematic has been identified in Meltytech Shotcut 25.10.31. This vulnerability affects the function mlt_image_fill_white of the component MLT Project File Handler. Executing a manipulation of the argument width/height can lead to memory allocation. This vulnerability is tracked as CVE-2025-65834. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Meltytech Shotcut 25.10.31. It has been declared as problematic. This vulnerability affects the function mlt_image_fill_white of the component MLT Project File Handler. The manipulation of the argument width/height with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. CVE summarizes:

Meltytech Shotcut 25.10.31 is vulnerable to Buffer Overflow. A memory access violation occurs when processing MLT project files with manipulated width and height parameters. By setting these values to extremely large numbers, the application attempts to allocate excessive memory during image processing, triggering a buffer overflow in the mlt_image_fill_white function.

The advisory is available at sourceforge.net. This vulnerability was named CVE-2025-65834 since 11/18/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-203843). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Meltytech

Name

• Shotcut

Version

• 25.10.31

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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