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2a3166e523
DC and AC table IDs read in the scan header segment weren't validated against the IDs of Huffman tables read in the DHT segment. This caused an OOB read when a Huffman table was accessed using the ID read in the scan header segment. Furthermore, the decoder now replaces the old DC or AC table if a redefinition has been found prior to the scan header. Fixes #3439. |
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