CVE-2026-104266
tinytag is a Python library for reading audio file metadata.
Published Oct 15, 2026 · updated Oct 15, 2026
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.
Code
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Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · NIST NVD
Detected
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
Sources
- CVE.orgVulnerability recordCVE-2026-104266
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-104266
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 th
nvd.nist.gov