In Mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.
{ "nvd_published_at": "2022-07-25T23:15:00Z", "cwe_ids": [ "CWE-1333" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2022-07-29T22:24:56Z" }