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> [Suggested description]
> A logical issue in O_getOwnPropertyDescriptor() in Artifex MuJS 1.0.0 through
> 1.3.1 allows an attacker to achieve Remote Code Execution through
> memory corruption, via the loading of a crafted
> JavaScript file.
>
> ------------------------------------------
>
> [VulnerabilityType Other]
> Heap Memory Corruption
>
> ------------------------------------------
>
> [Vendor of Product]
> Artifex
>
> ------------------------------------------
>
> [Affected Product Code Base]
> MuJS - v1.0.0 - v1.3.1
>
> ------------------------------------------
>
> [Affected Component]
> mujs, mujs-pp, jsobject.c, O_getOwnPropertyDescriptor()
>
> ------------------------------------------
>
> [Attack Type]
> Remote
>
> ------------------------------------------
>
> [Impact Code execution]
> true
>
> ------------------------------------------
>
> [Impact Information Disclosure]
> true
>
> ------------------------------------------
>
> [Reference]
> https://artifex.com/products/mujs/
> https://github.com/ccxvii/mujs/commit/edb50ad66f7601ca9a3544a0e9045e8a8c60561f
>
> ------------------------------------------
>
> [Attack Vectors]
> Loading a malicious JavaScript file.
>
> ------------------------------------------
>
> [Discoverer]
> Alvin Ng
> https://github.com/alalng
Use CVE-2022-44789.