packages:
  - module: std
    package: crypto/rand
    symbols:
      - Read
    versions:
      - fixed: 1.17.11
      - introduced: 1.18.0
        fixed: 1.18.3
description: |
    On Windows, rand.Read will hang indefinitely if passed a buffer larger than
    1 << 32 - 1 bytes.
cve_metadata:
  id: CVE-2022-30634
  cwe: "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"
  description: |
      Infinite loop in Read in crypto/rand before Go 1.17.11 and Go 1.18.3 on
      Windows allows attacker to cause an indefinite hang by passing a buffer
      larger than 1 << 32 - 1 bytes.
credit: Davis Goodin and Quim Muntal of Microsoft
os:
  - windows
links:
    pr: https://go.dev/cl/402257
    commit: https://go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863
    context:
      - https://go.dev/issue/52561
      - https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ