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{"affected_release": [{"advisory": "RHSA-2021:0470", "cpe": "cpe:/a:redhat:rhel_dotnet:2.1::el7", "package": "rh-dotnet21-0:2.1-24.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0470", "cpe": "cpe:/a:redhat:rhel_dotnet:2.1::el7", "package": "rh-dotnet21-dotnet-0:2.1.521-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0472", "cpe": "cpe:/a:redhat:rhel_dotnet:3.1::el7", "package": "rh-dotnet31-dotnet-0:3.1.112-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0473", "cpe": "cpe:/a:redhat:rhel_dotnet:5.0::el7", "package": "rh-dotnet50-dotnet-0:5.0.103-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0471", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet3.1-0:3.1.112-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0474", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet-0:2.1.521-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-02-10T00:00:00Z"}, {"advisory": "RHSA-2021:0476", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet5.0-0:5.0.103-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-02-10T00:00:00Z"}], "bugzilla": {"description": "dotnet: certificate chain building recursion Denial of Service", "id": "1926918", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1926918"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-674", "details": [".NET Core and Visual Studio Denial of Service Vulnerability", "A flaw was found in dotnet. A recursion error when building X.509 certificate chains can lead to a stack overflow which could crash the system. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-1721", "public_date": "2021-02-09T18:52:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-1721\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-1721\nhttps://github.com/dotnet/announcements/issues/175\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1721"], "threat_severity": "Important", "upstream_fix": "dotnet runtime 2.1.25, dotnet sdk 2.1.521, dotnet runtime 3.1.12, dotnet sdk 3.1.112, dotnet runtime 5.0.3, dotnet sdk 5.0.103"}