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Change History

tinytag is a Python library for reading audio file metadata. Version 2.2.0 allows an attacker who can supply MP3 files for parsing to trigger a non-terminating loop while the library parses an ID3v2 SYLT (synchronized lyrics) frame. In server-side deployments that automatically parse attacker-supplied files, a single 498-byte MP3 can cause the parsing operation to stop making progress and remain busy until the worker or process is terminated. The root cause is that _parse_synced_lyrics assumes _find_string_end_pos always returns a position greater than the current offset. That assumption is false when no string terminator is present in the remaining frame content. This issue has been fixed in version 2.2.1.

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-835

https://github.com/tinytag/tinytag/commit/44e496310f7ced8077e9087e3774acbaa324b18a

https://github.com/tinytag/tinytag/commit/4d649b9c314ada8ff8a74e0469e9aadb3acb252a

https://github.com/tinytag/tinytag/commit/5cd321521ff097e41724b601d7e3d7adc7e53402

https://github.com/tinytag/tinytag/security/advisories/GHSA-f4rq-2259-hv29