When a client is in monitoring mode, the regex begin used to detected monitor messages could cause exponential backtracking on some strings. This issue could lead to a denial of service.
The problem was fixed in commit 2d11b6d and was released in version 3.1.1.
{
"github_reviewed_at": "2021-04-23T18:11:39Z",
"severity": "HIGH",
"github_reviewed": true,
"cwe_ids": [
"CWE-400"
],
"nvd_published_at": "2021-04-23T18:15:00Z"
}