The string you provided, followed by garbled characters, most likely refers to a corrupt web font error processed by the OpenType Sanitizer (OTS) library . Understanding "OTS-067 [4038647]"
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). The string you provided, followed by garbled characters,
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. This is a security library used by browsers
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. The string you provided