CVE-2024-21907 addresses a mishandling of exceptional conditions vulnerability in Newtonsoft.Json before version 13.0.1. Crafted data that is passed to the JsonConvert.DeserializeObject method may trigger a StackOverflow exception resulting in denial of service. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition. The documented SQL Server updates incorporate updates in Newtonsoft.Json which address this vulnerability. Please see CVE-2024-21907 for more information.
I am running SQL Server on my system. What action do I need to take? Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use? First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Microsoft Knowledge Base Article 321185 - How to determine the version, edition, and update level of SQL Server and its components. Second, in the following table, locate your version number or the version range that your version number falls within. The corresponding update is the one you need to install. Note If your SQL Server version number is not represented in the table below, your SQL Server version is no longer supported. Please upgrade to the latest Service Pack or SQL Server product to apply this and future security updates. Update Number Title Version Apply if current product version is… This security update also includes servicing releases up through… 5065220 Security update for SQL Server 2022 CU20+GDR 16.0.4212.1 16.0.4003.1 - 16.0.4210.1 KB 5063814 - SQL2022 RTM CU20 5065221 Security update for SQL Server 2022 RTM+GDR 16.0.1150.1 16.0.1000.6 - 16.0.1145.1 KB 5063756 - Previous SQL2022 RTM GDR 5065222 Security update for SQL Server 2019 CU32+GDR 15.0.4445.1 15.0.4003.23 - 15.0.4440.1 KB 5063757 - Previous SQL2019 RTM CU32 GDR 5065223 Security update for SQL Server 2019 RTM+GDR 15.0.2145.1 15.0.2000.5 - 15.0.2140.1 KB 5063758 - Previous SQL2019 RTM GDR 5065225 Security update for SQL Server 2017 CU31+GDR 14.0.3505.1 14.0.3006.16 - 14.0.3500.1 KB 5063759 - Previous SQL2017 RTM CU31 GDR 5065224 Security update for SQL Server 2017 RTM+GDR 14.0.2085.1 14.0.1000.169 - 14.0.2080.1 KB 5063760 - Previous SQL2017 RTM GDR 5065227 Security update for SQL 2016 Azure Connect Feature Pack 13.0.7065.1 13.0.7000.253 - 13.0.7060.1 KB 50637