summaryrefslogtreecommitdiff
path: root/libavcodec
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/vp3.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 28ed0461c7..a2bd2ef07d 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -710,6 +710,8 @@ static int vp4_unpack_macroblocks(Vp3DecodeContext *s, GetBitContext *gb)
has_partial = 0;
bit = get_bits1(gb);
for (i = 0; i < s->yuv_macroblock_count; i += current_run) {
+ if (get_bits_left(gb) <= 0)
+ return AVERROR_INVALIDDATA;
current_run = vp4_get_mb_count(s, gb);
if (current_run > s->yuv_macroblock_count - i)
return -1;
@@ -719,6 +721,8 @@ static int vp4_unpack_macroblocks(Vp3DecodeContext *s, GetBitContext *gb)
}
if (has_partial) {
+ if (get_bits_left(gb) <= 0)
+ return AVERROR_INVALIDDATA;
bit = get_bits1(gb);
current_run = vp4_get_mb_count(s, gb);
for (i = 0; i < s->yuv_macroblock_count; i++) {