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Potential Vulnerability in Cloned Code #114

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Potential Vulnerability in Cloned Code #114

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6 changes: 4 additions & 2 deletions 3rdparty/ffmpeg/libavformat/asfdec_f.c
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Original file line number Diff line number Diff line change
Expand Up @@ -749,13 +749,15 @@ static int asf_read_marker(AVFormatContext *s, int64_t size)
count = avio_rl32(pb); // markers count
avio_rl16(pb); // reserved 2 bytes
name_len = avio_rl16(pb); // name length
for (i = 0; i < name_len; i++)
avio_r8(pb); // skip the name
avio_skip(pb, name_len);

for (i = 0; i < count; i++) {
int64_t pres_time;
int name_len;

if (avio_feof(pb))
return AVERROR_INVALIDDATA;

avio_rl64(pb); // offset, 8 bytes
pres_time = avio_rl64(pb); // presentation time
pres_time -= asf->hdr.preroll * 10000;
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