Fixes heap buffer overflows
Reported-by: sploitem <sploi...@gmail.com>
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavcodec/speexdec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
index 51c5834769..4d8052d585 100644
--- a/libavcodec/speexdec.c
+++ b/libavcodec/speexdec.c
@@ -1420,7 +1420,10 @@ static int parse_speex_extradata(AVCodecContext *avctx,
if (s->nb_channels <= 0 || s->nb_channels > 2)
return AVERROR_INVALIDDATA;
s->bitrate = bytestream_get_le32(&buf);
- s->frame_size = (1 + (s->mode > 0)) * bytestream_get_le32(&buf);
+ s->frame_size = bytestream_get_le32(&buf);
+ if (s->frame_size < NB_FRAME_SIZE << (s->mode > 0))
+ return AVERROR_INVALIDDATA;
+ s->frame_size *= 1 + (s->mode > 0);
s->vbr = bytestream_get_le32(&buf);
s->frames_per_packet = bytestream_get_le32(&buf);
if (s->frames_per_packet <= 0 ||
--
2.43.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
