diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/bitstream.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c index 6bcdadb..6598d3e 100644 --- a/libavcodec/bitstream.c +++ b/libavcodec/bitstream.c @@ -305,6 +305,10 @@ int ff_init_vlc_sparse(VLC *vlc, int nb_bits, int nb_codes, GET_DATA(buf[j].bits, bits, i, bits_wrap, bits_size);\ if (!(condition))\ continue;\ + if (buf[j].bits > 3*nb_bits || buf[j].bits>32) {\ + av_log(NULL, AV_LOG_ERROR, "Too long VLC in init_vlc\n");\ + return -1;\ + }\ GET_DATA(buf[j].code, codes, i, codes_wrap, codes_size);\ if (flags & INIT_VLC_LE)\ buf[j].code = bitswap_32(buf[j].code);\ |
