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