virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00
Code Issues Releases Activity

avformat/mov: check that iloc offset values fit on an int64_t

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-06-30 23:40:19 -03:00
parent 89a85efbf1
commit b44758d8e4
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libavformat/mov.c
View File

@ -8010,7 +8010,7 @@ static int mov_read_SAND(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
static int rb_size(AVIOContext *pb, uint64_t* value, int size)
static int rb_size(AVIOContext *pb, int64_t *value, int size)
{
if (size == 0)
*value = 0;
@ -8020,9 +8020,11 @@ static int rb_size(AVIOContext *pb, uint64_t* value, int size)
*value = avio_rb16(pb);
else if (size == 4)
*value = avio_rb32(pb);
else if (size == 8)
else if (size == 8) {
*value = avio_rb64(pb);
else
if (*value < 0)
return -1;
} else
return -1;
return size;
}