UltraJSON (aka ujson) 1.34 through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode).
{ "nvd_published_at": "2022-01-01T00:15:00Z", "cwe_ids": [ "CWE-787" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2022-01-12T19:29:48Z" }