Affected versions of this crate did not properly check if semantic tags were nested excessively during deserialization. This allows an attacker to craft small (< 1 kB) CBOR documents that cause a stack overflow. The flaw was corrected by limiting the allowed number of nested tags.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-787" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2021-08-19T21:20:43Z" }