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 …

{
                    "defaultStatus": "unaffected",
                    "product": "sqlite",
                    "vendor": "SQLite",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "< 3.49.1"
                        }
                    ]
                }