diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index f707ab79944..0cbcb04aea4 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -22,6 +22,8 @@
         placeholder seek points), and fall back to binary search seeking if the
         duration of the file is known
         ([#2327]()https://github.com/androidx/media/issues/2327).
+    *   Fix parsing of H.265 SEI units to fully skip unrecognized SEI types
+        ([#2456]()https://github.com/androidx/media/issues/2456).
 *   DataSource:
 *   Audio:
     *   Add support for all linear PCM sample formats in
diff --git a/libraries/container/src/main/java/androidx/media3/container/NalUnitUtil.java b/libraries/container/src/main/java/androidx/media3/container/NalUnitUtil.java
index 14911606b91..24cd7bbfd3c 100644
--- a/libraries/container/src/main/java/androidx/media3/container/NalUnitUtil.java
+++ b/libraries/container/src/main/java/androidx/media3/container/NalUnitUtil.java
@@ -1868,6 +1868,8 @@ public static H265Sei3dRefDisplayInfoData parseH265Sei3dRefDisplayInfo(
             mantissaRefDisplayWidth,
             exponentRefViewingDist,
             mantissaRefViewingDist);
+      } else {
+        data.skipBits(payloadSize * 8);
       }
     }
     return null;