diff options
| -rw-r--r-- | libavcodec/movtextdec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c index 81fd1d6deb..ad6e921d61 100644 --- a/libavcodec/movtextdec.c +++ b/libavcodec/movtextdec.c @@ -299,6 +299,14 @@ static int decode_styl(const uint8_t *tsmb, MovTextContext *m, AVPacket *avpkt) m->s_temp->style_start = AV_RB16(tsmb); tsmb += 2; m->s_temp->style_end = AV_RB16(tsmb); + + if ( m->s_temp->style_end < m->s_temp->style_start + || (m->count_s && m->s_temp->style_start < m->s[m->count_s - 1]->style_end)) { + av_freep(&m->s_temp); + mov_text_cleanup(m); + return AVERROR(ENOMEM); + } + tsmb += 2; m->s_temp->style_fontID = AV_RB16(tsmb); tsmb += 2; |