An integer overflow can be triggered in SQLite’s concat_ws() function. The resulting, truncated integer is then used to allocate a buffer. When SQLite then writes the resulting string to the buffer, it uses the original, untruncated size and thus a wild Heap Buffer overflow of size ~4GB can be triggered. This can result in arbitrary code execution.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:*"
]
}