[FFmpeg-devel] [PATCH] avcodec/speexdec: limit max frame_size

[shenleban tongying]

The max frame_size for speex format is 32000 Hz * 20 ms / 1000 ms = 640

close #11054 and #11078

Signed-off-by: shenleban tongying <shenlebantongying at gmail.com>
---
libavcodec/speexdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
index d25823ef6e..555012a343 100644
--- a/libavcodec/speexdec.c
+++ b/libavcodec/speexdec.c
@@ -1425,7 +1425,7 @@ static int parse_speex_extradata(AVCodecContext *avctx,
    if (s->frame_size < NB_FRAME_SIZE << (s->mode > 0) ||
        s->frame_size >     INT32_MAX >> (s->mode > 0))
        return AVERROR_INVALIDDATA;
-    s->frame_size <<= (s->mode > 0);
+    s->frame_size = FFMIN(640, s->frame_size << (s->mode > 0));
    s->vbr = bytestream_get_le32(&buf);
    s->frames_per_packet = bytestream_get_le32(&buf);
    if (s->frames_per_packet <= 0 ||
-- 
2.48.1