CVE-2026-104266

MediumCVSS 6.5/10Last modified Oct 21, 2026

Description

tinytag is a Python library for reading audio file metadata. From 2.0.0 until 2.3.0, an M4A file containing a sub-atom with a size of zero inside a ---- atom can cause the metadata parser to stop advancing through the input. The custom-field atom traversal repeatedly processes the malformed location, causing an infinite loop and denying service to a program that reads the crafted file. This issue is fixed in version 2.3.0.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

Vendor	Product	Versions
tinytag	tinytag	>= 2.0.0, < 2.3.0

References

Timeline

Published: Oct 15, 2026
Last modified: Oct 21, 2026
NVD status: Deferred

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