packages:
  - module: gopkg.in/yaml.v2
    symbols:
      - decoder.unmarshal
    derived_symbols:
      - Decoder.Decode
      - Unmarshal
      - UnmarshalStrict
    versions:
      - fixed: v2.2.3
  - module: github.com/go-yaml/yaml
    symbols:
      - decoder.unmarshal
    derived_symbols:
      - Decoder.Decode
      - Unmarshal
      - UnmarshalStrict
description: |
    Due to unbounded alias chasing, a maliciously crafted YAML file
    can cause the system to consume significant system resources. If
    parsing user input, this may be used as a denial of service vector.
published: 2021-04-14T20:04:52Z
credit: '@simonferquel'
links:
    pr: https://github.com/go-yaml/yaml/pull/375
    commit: https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241