Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-A2A2B34D-52B4-11EB-87CB-001B217B3468:
Gitlab reports:
Ability to steal a user's API access token through GitLab Pages
Prometheus denial of service via HTTP request with custom method
Unauthorized user is able to access private repository information under specific conditions
Regular expression denial of service in NuGet API
Regular expression denial of service in package uploads
Update curl dependency
CVE-2019-3881 mitigation
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