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authorMichael Niedermayer <michaelni@gmx.at>2013-10-30 14:23:30 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-10-30 15:01:00 +0100
commit94a80e36d307a5fbd8f2df1fa0cf8699bfad0ac9 (patch)
tree77c2fa9d607ff4307d85d28982adfd65e82b57ee /libavcodec/intelh263dec.c
parent810f9c5eaac277613cd855ae9b4b6e7977cda742 (diff)
downloadffmpeg-94a80e36d307a5fbd8f2df1fa0cf8699bfad0ac9.tar.gz
avcodec/intelh263dec: make while get_bits loop more robust by checking bits left
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/intelh263dec.c')
-rw-r--r--libavcodec/intelh263dec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/intelh263dec.c b/libavcodec/intelh263dec.c
index e5462e73df..a45560c925 100644
--- a/libavcodec/intelh263dec.c
+++ b/libavcodec/intelh263dec.c
@@ -113,6 +113,8 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
+ if (get_bits_left(&s->gb) <= 0)
+ return AVERROR_INVALIDDATA;
}
s->f_code = 1;