Fix panic when receiving malformed push promise with stream id 0

hyperium · Dec 9, 2021 · c876dda · c876dda
1 parent 308663e
commit c876dda
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/frame/headers.rs b/src/frame/headers.rs
@@ -400,6 +400,10 @@ impl PushPromise {
         let flags = PushPromiseFlag(head.flag());
         let mut pad = 0;
 
+        if head.stream_id().is_zero() {
+            return Err(Error::InvalidStreamId);
+        }
+
         // Read the padding length
         if flags.is_padded() {
             if src.is_empty() {