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-rw-r--r--libavformat/flic.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/libavformat/flic.c b/libavformat/flic.c
index f22a5eec3e..62ea94ef63 100644
--- a/libavformat/flic.c
+++ b/libavformat/flic.c
@@ -54,12 +54,25 @@ static int flic_probe(AVProbeData *p)
{
int magic_number;
+ if(p->buf_size < FLIC_HEADER_SIZE)
+ return 0;
+
magic_number = AV_RL16(&p->buf[4]);
if ((magic_number != FLIC_FILE_MAGIC_1) &&
(magic_number != FLIC_FILE_MAGIC_2) &&
(magic_number != FLIC_FILE_MAGIC_3))
return 0;
+ if(AV_RL16(&p->buf[0x10]) != FLIC_CHUNK_MAGIC_1){
+ if(AV_RL32(&p->buf[0x10]) > 2000)
+ return 0;
+ }
+
+ if( AV_RL16(&p->buf[0x08]) > 4096
+ || AV_RL16(&p->buf[0x0A]) > 4096)
+ return 0;
+
+
return AVPROBE_SCORE_MAX;
}