1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/vmdaudio.c b/libavcodec/vmdaudio.c
index c7826fa3ce..dfbd49fd84 100644
--- a/libavcodec/vmdaudio.c
+++ b/libavcodec/vmdaudio.c
@@ -76,7 +76,9 @@ static av_cold int vmdaudio_decode_init(AVCodecContext *avctx)
         av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
         return AVERROR(EINVAL);
     }
-    if (avctx->block_align < 1 || avctx->block_align % avctx->channels) {
+    if (avctx->block_align < 1 || avctx->block_align % avctx->channels ||
+        avctx->block_align > INT_MAX - avctx->channels
+    ) {
         av_log(avctx, AV_LOG_ERROR, "invalid block align\n");
         return AVERROR(EINVAL);
     }