This security advisory from Red Hat addresses CVE-2026-45736, a high severity vulnerability categorized under CWE-824, affecting Red Hat Hardened Images RPMs for dotnet9.0 components. The update includes new versions of various dotnet9.0 RPMs such as aspnetcore-runtime, dotnet-runtime, dotnet-sdk, and related targeting packs for aarch64 and x86_64 architectures. The advisory does not specify the exact nature of the vulnerability beyond the CWE classification, nor does it list affected versions or detailed exploitation information. The update is intended as a bug fix and enhancement for these RPMs.

The vulnerability is rated high severity by Red Hat. It affects Red Hat Hardened Images RPMs for dotnet9.0 packages. No known exploits in the wild have been reported. The impact details are not explicitly described in the advisory, but the CWE-824 classification suggests issues related to improper control of interaction frequency, which could potentially lead to denial of service or other stability problems.

Red Hat has released updated RPM packages for the affected dotnet9.0 components as part of this advisory. Users should apply these updates to remediate the vulnerability. Since this is a bug fix and enhancement update, applying the provided RPM updates is the recommended mitigation. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.