diff --git a/src/Rtp/RtpSession.cpp b/src/Rtp/RtpSession.cpp
index c7a7c809..9104ffdd 100644
--- a/src/Rtp/RtpSession.cpp
+++ b/src/Rtp/RtpSession.cpp
@@ -57,6 +57,9 @@ void RtpSession::onManager() {
 }
 
 void RtpSession::onRtpPacket(const char *data, uint64_t len) {
+    if (len > 1024 * 2) {
+        throw SockException(Err_shutdown, "rtp包长度异常，发送端可能缓存溢出并覆盖");
+    }
     if (!_process) {
         uint32_t ssrc;
         if (!RtpSelector::getSSRC(data, len, ssrc)) {