Affected versions of this crate pre-allocate memory on deserializing raw buffers without checking whether there is sufficient data available. This allows an attacker to do denial-of-service attacks by sending small msgpack messages that allocate gigabytes of memory.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-400" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2021-08-06T19:28:40Z" }