Application denial of service via out-of-bounds read in BSON Regex decoding in MongoDB Python Driver

{
                    "vendor": "MongoDB",
                    "product": "Python Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0.10.3",
                            "lessThanOrEqual": "4.18.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }