diff --git a/net/dcsctp/packet/tlv_trait.h b/net/dcsctp/packet/tlv_trait.h
index 11c3852d38..7e2e58d601 100644
--- a/net/dcsctp/packet/tlv_trait.h
+++ b/net/dcsctp/packet/tlv_trait.h
@@ -105,7 +105,7 @@ class TLVTrait {
       }
     } else {
       // Expect variable length data - verify its size alignment.
-      if (length > data.size()) {
+      if (length > data.size() || length < Config::kHeaderSize) {
         tlv_trait_impl::ReportInvalidVariableLengthField(length, data.size());
         return absl::nullopt;
       }
diff --git a/net/dcsctp/packet/tlv_trait_test.cc b/net/dcsctp/packet/tlv_trait_test.cc
index 413c71e452..a0dd1a1136 100644
--- a/net/dcsctp/packet/tlv_trait_test.cc
+++ b/net/dcsctp/packet/tlv_trait_test.cc
@@ -77,7 +77,7 @@ struct TwoByteTypeConfig {
   static constexpr int kTypeSizeInBytes = 2;
   static constexpr int kType = 31337;
   static constexpr size_t kHeaderSize = 8;
-  static constexpr int kVariableLengthAlignment = 4;
+  static constexpr int kVariableLengthAlignment = 2;
 };
 
 class TwoByteChunk : public TLVTrait<TwoByteTypeConfig> {
@@ -122,5 +122,12 @@ TEST(TlvDataTest, CanReadTwoByteTypeTlvs) {
               ElementsAre(0x05, 0x06, 0x07, 0x08, 0xDE, 0xAD, 0xBE, 0xEF));
 }
 
+TEST(TlvDataTest, CanHandleInvalidLengthSmallerThanFixedSize) {
+  // Has 'length=6', which is below the kHeaderSize of 8.
+  uint8_t data[] = {0x7A, 0x69, 0x00, 0x06, 0x01, 0x02, 0x03, 0x04};
+
+  EXPECT_FALSE(TwoByteChunk::Parse(data).has_value());
+}
+
 }  // namespace
 }  // namespace dcsctp