Affected versions contained a pair of use-after-free issues with the objects returned by the getformatinfo and get_context methods of Stream objects. These objects were mistakenly being constructed without setting an important flag to prevent destruction of the underlying C objects they reference upon their own destruction.
{ "nvd_published_at": "2021-12-27T00:15:00Z", "cwe_ids": [ "CWE-416" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2022-01-06T18:32:15Z" }