CVE-2026-32256: music-metadata has an infinite loop vulnerability in ASF parser

March 17, 2026 (updated March 19, 2026)

music-metadata’s ASF parser (parseExtensionObject() in lib/asf/AsfParser.ts:112-158) enters an infinite loop when a sub-object inside the ASF Header Extension Object has objectSize = 0.

References

github.com/Borewit/music-metadata
github.com/Borewit/music-metadata/releases/tag/v11.12.3
github.com/Borewit/music-metadata/security/advisories/GHSA-v6c2-xwv6-8xf7
github.com/advisories/GHSA-v6c2-xwv6-8xf7
nvd.nist.gov/vuln/detail/CVE-2026-32256

Code Behaviors & Features

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