packages:
  - module: github.com/miekg/dns
    symbols:
      - id
    derived_symbols:
      - Msg.SetAxfr
      - Msg.SetIxfr
      - Msg.SetNotify
      - Msg.SetQuestion
      - Msg.SetUpdate
    versions:
      - fixed: v1.1.25-0.20191211073109-8ebf2e419df7
description: |
    DNS message transaction IDs are generated using math/rand which
    makes them relatively predictable. This reduces the complexity
    of response spoofing attacks against DNS clients.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2019-19794
ghsas:
  - GHSA-44r7-7p62-q3fr
links:
    pr: https://github.com/miekg/dns/pull/1044
    commit: https://github.com/miekg/dns/commit/8ebf2e419df7857ac8919baa05248789a8ffbf33
    context:
      - https://github.com/miekg/dns/issues/1037
      - https://github.com/miekg/dns/issues/1043