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.
published: 2022-01-13T03:45:03Z
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