Ubuntu 22.04 LTS / 25.10 : .NET vulnerability (USN-8025-1)

The remote Ubuntu 22.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8025-1 advisory. Kevin Jones discovered that the System.Security.Cryptography.Cose component in .NET did not properly handle certain missing special elements in input data...

dotnet: Multiple .NET components susceptible to hash flooding

A flaw was found in dotnet. The System.Security.Cryptography.Cose, System.IO.Packaging and System.Runtime.Caching components may be exposed to hostile input, making them susceptible to hash flooding attacks, resulting in denial of service...