module: std
package: archive/zip
versions:
- fixed: go1.15.13
- fixed: go1.16.5
- fixed: go1.17.0
description: |
  NewReader and OpenReader can cause a panic or an unrecoverable
  fatal error when reading an archive that claims to contain a large
  number of files, regardless of its actual size.
cves:
- CVE-2021-33196
credit: |
  the OSS-Fuzz project for discovering this issue and
  Emmanuel Odeke for reporting it
symbols:
- Reader.init
links:
  pr: https://go.dev/cl/318909
  commit: https://go.googlesource.com/go/+/74242baa4136c7a9132a8ccd9881354442788c8c
  context:
  - https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
  - https://go.dev/issue/46242