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(specifically an image in which all of the scans contain fewer components than
the number of components specified in the Start Of Frame segment.)
+8. Fixed an issue whereby the CPU usage of the default marker processor in the
+decompressor grew exponentially with the number of markers. This caused an
+unreasonable slow-down in `jpeg_read_header()` if an application called
+`jpeg_save_markers()` to save markers of a particular type and then attempted
+to decompress a JPEG image containing an excessive number of markers of that
+type.
+
2.1.5.1
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