id: PYSEC-2019-139
details: An issue was discovered in webargs before 5.1.3, as used with marshmallow
  and other products. JSON parsing uses a short-lived cache to store the parsed JSON
  body. This cache is not thread-safe, meaning that incorrect JSON payloads could
  have been parsed for concurrent requests.
affected:
- package:
    name: webargs
    ecosystem: PyPI
    purl: pkg:pypi/webargs
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: '0'
    - fixed: 5.1.3
  versions:
  - 0.1.0
  - 0.2.0
  - 0.3.0
  - 0.3.1
  - 0.3.2
  - 0.3.3
  - 0.3.4
  - 0.4.0
  - 0.5.0
  - 0.5.1
  - 0.6.0
  - 0.6.1
  - 0.6.2
  - 0.7.0
  - 0.8.0
  - 0.8.1
  - 0.9.0
  - 0.9.1
  - 0.10.0
  - 0.11.0
  - 0.12.0
  - 0.13.0
  - 0.14.0
  - 0.15.0
  - 0.16.0
  - 0.17.0
  - 0.18.0
  - 1.0.0
  - 1.1.0
  - 1.1.1
  - 1.2.0
  - 1.3.0
  - 1.3.1
  - 1.3.2
  - 1.3.3
  - 1.3.4
  - 1.4.0
  - 1.5.0
  - 1.5.1
  - 1.5.2
  - 1.5.3
  - 1.6.0
  - 1.6.1
  - 1.6.2
  - 1.6.3
  - 1.7.0
  - 1.8.0
  - 1.8.1
  - 1.9.0
  - 1.10.0
  - 2.0.0
  - 2.1.0
  - 3.0.0
  - 3.0.1
  - 3.0.2
  - 4.0.0
  - 4.1.0
  - 4.1.1
  - 4.1.2
  - 4.1.3
  - 4.2.0
  - 4.3.0
  - 4.3.1
  - 4.4.0
  - 4.4.1
  - 5.0.0
  - 5.1.0
  - 5.1.1
  - 5.1.1.post0
  - 5.1.2
references:
- type: WEB
  url: https://webargs.readthedocs.io/en/latest/changelog.html
- type: REPORT
  url: https://github.com/marshmallow-code/webargs/issues/371
- type: ADVISORY
  url: https://github.com/advisories/GHSA-8554-jxcw-454q
aliases:
- CVE-2019-9710
- GHSA-8554-jxcw-454q
modified: '2019-03-12T13:09:00Z'
published: '2019-03-12T02:29:00Z'