Detections
Analytics
AlmaLinux 9 : .NET 8.0 (ALSA-2026:8469)
high Nessus Plugin ID 307374
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8469 advisory.* dotnet: .NET: Security Bypass and Denial of Service Vulnerability (CVE-2026-26171)
* dotnet: .NET: Denial of Service via stack overflow (CVE-2026-32203)
* dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform (CVE-2026-33116)
* dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw (CVE-2026-32178)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 307374
File Name: alma_linux_ALSA-2026-8469.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 4/17/2026
Updated: 4/17/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
CVSS Score Source: CVE-2026-32178
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:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:alma:linux:dotnet-sdk-8.0-source-built-artifacts, cpe:/o:alma:linux:9::appstream, p-cpe:/a:alma:linux:dotnet-apphost-pack-8.0, p-cpe:/a:alma:linux:dotnet-hostfxr-8.0, p-cpe:/a:alma:linux:dotnet-sdk-8.0, p-cpe:/a:alma:linux:aspnetcore-runtime-8.0, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:dotnet-runtime-dbg-8.0, p-cpe:/a:alma:linux:aspnetcore-runtime-dbg-8.0, p-cpe:/a:alma:linux:aspnetcore-targeting-pack-8.0, p-cpe:/a:alma:linux:dotnet-targeting-pack-8.0, cpe:/o:alma:linux:9::highavailability, p-cpe:/a:alma:linux:dotnet-sdk-dbg-8.0, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::crb, p-cpe:/a:alma:linux:dotnet-templates-8.0, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::baseos, p-cpe:/a:alma:linux:dotnet-runtime-8.0
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 4/16/2026
Vulnerability Publication Date: 4/14/2026
Reference Information
CVE: CVE-2026-26171, CVE-2026-32178, CVE-2026-32203, CVE-2026-33116