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[FIX] fix jpx tag tree decode (issue 11957)

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linfangrong 2021-08-31 11:44:26 +08:00
parent 72c34b2964
commit 369f1899c6
3 changed files with 15 additions and 0 deletions
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5
src/core/jpx.js
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@ -1203,6 +1203,11 @@ function parseTilePackets(context, data, offset, dataLength) {
zeroBitPlanesTree = new TagTree(width, height);
precinct.inclusionTree = inclusionTree;
precinct.zeroBitPlanesTree = zeroBitPlanesTree;
for (let l = 0; l < layerNumber; l++) {
if (readBits(1) !== 0) {
throw new JpxError("Invalid tag tree");
}
}
}
if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {