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-EE890BE3-A1EC-11ED-A81D-001B217B3468:
Gitlab reports:
Denial of Service via arbitrarily large Issue descriptions
CSRF via file upload allows an attacker to take over a repository
Sidekiq background job DoS by uploading malicious CI job artifact zips
Sidekiq background job DoS by uploading a malicious Helm package
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