SCA: security update for Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64, Microsoft.NETCore.App.Runtime.Mono.linux-arm, Microsoft.NETCore.App.Runtime.Mono.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64, Microsoft.NETCore.App.Runtime.Mono.linux-x64, Microsoft.NETCore.App.Runtime.Mono.osx-x64, Microsoft.NETCore.App.Runtime.linux-arm, Microsoft.NETCore.App.Runtime.linux-arm64, Microsoft.NETCore.App.Runtime.linux-musl-arm, Microsoft.NETCore.App.Runtime.linux-musl-arm64, Microsoft.NETCore.App.Runtime.linux-musl-x64, Microsoft.NETCore.App.Runtime.linux-x64, Microsoft.NETCore.App.Runtime.osx-x64, Microsoft.NETCore.App.Runtime.rhel.6-x64, Microsoft.NETCore.App.Runtime.win-arm, Microsoft.NETCore.App.Runtime.win-arm64, Microsoft.NETCore.App.Runtime.win-x64, Microsoft.NETCore.App.Runtime.win-x86 (GHSA-rh58-r7jh-xhx3)

high Tenable Self-Hosted Container Security Plugin ID 433665

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- .NET Core and Visual Studio Denial of Service Vulnerability (CVE-2021-26423)

See Also

https://github.com/advisories/GHSA-rh58-r7jh-xhx3

Plugin Details

Severity: High

ID: 433665

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/19/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-26423

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/25/2022

Vulnerability Publication Date: 8/10/2021

Reference Information

CVE: CVE-2021-26423