music-metadata: MP4 stsd sample-entry size==0 causes a synchronous infinite loop (DoS) — unreleased regression on master

Summary StsdAtom.get in lib/mp4/AtomToken.ts parses an MP4 stsd sample description box's entry table by advancing a cursor with off += size - 4, where size is a 32-bit, attacker-controlled per-entry length read straight from the file. When size == 0, that advance is 0, so a file declaring a huge...

NPM: music-metadata: MP4 stsd sample-entry size==0 causes a synchronous infinite loop (DoS) — unreleased regression on master

NPM: music-metadata: MP4 stsd sample-entry size==0 causes a synchronous infinite loop DoS — unreleased regression on master vulnerability discovered by ? in WordPress Npm music-metadata versions 11.16.0...

EUVD-2026-95245

music-metadata is a metadata parser for audio and video media files. In the public development revision introduced after 11.14.0, a development-branch regression in the MP4 stsd sample-description parser allows an attacker-controlled sample-entry size of zero to prevent the StsdAtom.get cursor fr...