packages:
  - module: gopkg.in/yaml.v2
    symbols:
      - yaml_parser_fetch_more_tokens
    derived_symbols:
      - Decoder.Decode
      - Unmarshal
      - UnmarshalStrict
    versions:
      - fixed: 2.2.8
  - module: github.com/go-yaml/yaml
    symbols:
      - yaml_parser_fetch_more_tokens
    derived_symbols:
      - Decoder.Decode
      - Unmarshal
      - UnmarshalStrict
description: |
    Due to unbounded aliasing, a crafted YAML file can cause consumption
    of significant system resources. If parsing user supplied input, this
    may be used as a denial of service vector.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2019-11254
ghsas:
  - GHSA-wxc4-f4m6-wwqv
links:
    pr: https://github.com/go-yaml/yaml/pull/555
    commit: https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48
    context:
      - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496