PyPI/webargs CVE-2019-9710: high 8.1, EPSS 1.12%

Webargs mishandles concurrent JSON parsing

Action: Upgrade webargs to 5.1.3 or later.

pip install webargs==5.1.3

Affected

Fixed versions

Sources

• osv: GHSA-8554-jxcw-454q
• https://nvd.nist.gov/vuln/detail/CVE-2019-9710
• https://github.com/marshmallow-code/webargs/issues/371
• https://github.com/marshmallow-code/webargs/pull/373
• https://github.com/marshmallow-code/webargs/commit/716bd8d1f24c84aaf99170efaa17d1d34206f6c0
• https://github.com/marshmallow-code/webargs
• https://github.com/pypa/advisory-database/tree/main/vulns/webargs/PYSEC-2019-139.yaml
• https://webargs.readthedocs.io/en/latest/changelog.html
• https://webargs.readthedocs.io/en/latest/changelog.html#id24

CVE-2019-9710 · published 2019-03-12T15:16:12Z · modified 2025-08-04T21:12:40.126345Z · JSON