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Make Mediabunny more resilient against data boxes ending abruptly

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JonnyBurger
2025-10-18 11:23:44 +02:00
parent c4159c1391
commit f8cd66727c
1 changed files with 4 additions and 0 deletions
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src/isobmff/isobmff-reader.ts
+4
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@@ -70,6 +70,10 @@ export const readDataBox = (slice: FileSlice) => {
return null; return null;
} }
if (slice.remainingLength < 4) {
return null;
}
const typeIndicator = readU32Be(slice); const typeIndicator = readU32Be(slice);
slice.skip(4); // Locale indicator slice.skip(4); // Locale indicator
const data = readBytes(slice, header.contentSize - 8); const data = readBytes(slice, header.contentSize - 8);