While the exact numerical code "[4038647]" may be a specific system memory address or internal reference, "OTS-067" typically points to an error encountered during the validation of a font file.
If a font is "sanitized," it means the library found structural errors that could potentially be used for security exploits. When validation fails, the browser rejects the font, often logging an error that includes the source file and a specific line or code in the OTS library (such as line 67 in a specific source file). While the exact numerical code "[4038647]" may be
This is a security library used by browsers like Chromium (Chrome, Edge) and Firefox to parse and validate font files (TTF, OTF, WOFF) before they are rendered. the browser rejects the font