diff --git a/reports/GO-2021-0263.yaml b/reports/GO-2021-0263.yaml
new file mode 100644
index 0000000..77d0a51
--- /dev/null
+++ b/reports/GO-2021-0263.yaml
@@ -0,0 +1,21 @@
+module: std
+package: debug/macho
+versions:
+- fixed: go1.17.3
+- fixed: go1.16.10
+description: |
+  Calling File.ImportedSymbols on a loaded file which contains an invalid
+  dynamic symbol table command can cause a panic, in particular if the encoded
+  number of undefined symbols is larger than the number of symbols in the symbol
+  table.
+cves:
+- CVE-2021-41771
+credit: Burak Çarıkçı - Yunus Yıldırım (CT-Zer0 Crypttech)
+symbols:
+- NewFile
+links:
+  pr: https://go.dev/cl/367075
+  commit: https://go.googlesource.com/go/+/61536ec03063b4951163bd09609c86d82631fa27
+  context:
+  - https://groups.google.com/g/golang-announce/c/0fM21h43arc
+  - https://go.dev/issue/48990