Alpine: multiple aspnetcore9-runtime packages, multiple dotnet-host packages: security update to 9.0.20-r0

high Tenable Cloud Security Plugin ID 447887

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to
elevate privileges locally. (CVE-2026-69806)

- Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
(CVE-2026-58649)

- Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized
attacker to deny service over a network. (CVE-2026-69304)

- Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges
over a network. (CVE-2026-69439)

- Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a
network. (CVE-2026-69522)

Solution

Update the aspnetcore9-runtime library and its related packages to version 9.0.20-r0 or later.

Plugin Details

Severity: High

ID: 447887

Version: Revision 1.1

Type: Local

Family: Alpine Linux Local Security Checks

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-69806

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2026-71328

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-58649, CVE-2026-69304, CVE-2026-69439, CVE-2026-69522, CVE-2026-69806, CVE-2026-71328

Detections

Analytics