avformat/mxfdec: Check for duplicate mxf_read_index_entry_array()

Fixes: memleak Fixes: 41596/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6439060204290048

Michael Niedermayer committed 4 years ago

Commit 4f44a211 parent 0ec75721 file · +3 −0Browse files

Unified · Split

@@ -1111,6 +1111,9 @@ static int mxf_read_index_entry_array(AVIOContext pb, MXFIndexTableSegment seg · 1110 unmodified lines
1111	1111	{
1112	1112	int i, length;
1113	1113
	1114	+ if (segment->temporal_offset_entries)
	1115	+ return AVERROR_INVALIDDATA;
	1116	+
1114	1117	segment->nb_index_entries = avio_rb32(pb);
1115	1118
1116	1119	length = avio_rb32(pb);

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