CVE-2024-43485

A flaw was found in dotnet. In System.Text.Json, applications that deserialize input to a model with an [ExtensionData] property can be vulnerable to an algorithmic complexity attack, resulting in a denial of service.

.NET 6.0 (dotnet6.0) was released for RHEL 8 starting with RHEL 8.5. Therefore, this .NET version is not affected in RHEL 8.4 and previous versions.

.NET 8.0 (dotnet8.0) was released for RHEL 8 starting with RHEL 8.9. Therefore, this .NET version is not affected in RHEL 8.8 and previous versions.

.NET 8.0 (dotnet8.0) was released for RHEL 9 starting with RHEL 9.3. Therefore, this .NET version is not affected in RHEL 9.2 and previous versions.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.