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Fix DoS due to lack of eof check

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This commit was merged in pull request #287.
This commit is contained in:
manh-td
2025-12-11 20:52:05 +08:00
committed by Burer
parent d54c802297
commit a83f6f7e4b
1 changed files with 5 additions and 1 deletions
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6
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavformat/cinedec.c
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@@ -267,8 +267,12 @@ static int cine_read_header(AVFormatContext *avctx)
/* parse image offsets */ /* parse image offsets */
avio_seek(pb, offImageOffsets, SEEK_SET); avio_seek(pb, offImageOffsets, SEEK_SET);
for (i = 0; i < st->duration; i++) for (i = 0; i < st->duration; i++) {
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
av_add_index_entry(st, avio_rl64(pb), i, 0, 0, AVINDEX_KEYFRAME); av_add_index_entry(st, avio_rl64(pb), i, 0, 0, AVINDEX_KEYFRAME);
}
return 0; return 0;
} }