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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTg1NTQtanhjdy00NTRx

Webargs mishandles concurrent JSON parsing

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.

Permalink: https://github.com/advisories/GHSA-8554-jxcw-454q
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTg1NTQtanhjdy00NTRx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 5 years ago
Updated: 14 days ago


CVSS Score: 8.1
CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00246
EPSS Percentile: 0.64893

Identifiers: GHSA-8554-jxcw-454q, CVE-2019-9710
References: Repository: https://github.com/marshmallow-code/webargs
Blast Radius: 26.0

Affected Packages

pypi:webargs
Dependent packages: 44
Dependent repositories: 1,622
Downloads: 3,362,472 last month
Affected Version Ranges: < 5.1.3
Fixed in: 5.1.3
All affected 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, 5.1.2
All unaffected versions: 5.1.3, 5.2.0, 5.3.0, 5.3.1, 5.3.2, 5.4.0, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 6.0.0, 6.1.0, 6.1.1, 7.0.0, 7.0.1, 8.0.0, 8.0.1, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.6.0