The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24334 advisory.

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new     APIs, and it includes a CLR implementation.

    New versions of .NET that address a security vulnerability are now available. The updated versions are     .NET SDK 8.0.127 and .NET Runtime 8.0.27.Security Fix(es):

    * serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object     serialization (CVE-2026-34043)

    * dotnet: .NET: infinite loop allows an attacker to cause a denial of service (CVE-2026-42899)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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RHEL 9 : .NET 8.0 (RHSA-2026:24334)

high Nessus Plugin ID 319642

Version 1.1