fix: properly reject prioritized HEADERS with stream ID of zero

hyperium · Nov 23, 2021 · dbaa3a4 · dbaa3a4
1 parent ce81583
commit dbaa3a4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/frame/headers.rs b/src/frame/headers.rs
@@ -146,6 +146,10 @@ impl Headers {
 
         tracing::trace!("loading headers; flags={:?}", flags);
 
+        if head.stream_id().is_zero() {
+            return Err(Error::InvalidStreamId);
+        }
+
         // Read the padding length
         if flags.is_padded() {
             if src.is_empty() {