ALSA-2026:86169

Source
https://errata.almalinux.org/9/ALSA-2026-86169.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:86169
Related
Published
2026-10-20T00:00:00Z
Modified
2026-10-21T16:45:02Z
Summary
Critical: .NET 8.0 security, bug fix, and enhancement update
Details

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 8.0.132
Runtime version: 8.0.32

Security Fix(es):

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet8.0: Active Directory Federation Services (AD FS) Spoofing Vulnerability (CVE-2026-96222)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

Bug Fix(es) and Enhancement(s):

  • Update .NET 8.0 to SDK 8.0.132 and Runtime 8.0.32 [almalinux-9.8.z] (JIRA:AlmaLinux-277793)

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.

References

Affected packages

AlmaLinux:9
aspnetcore-runtime-8.0

Package

Name
aspnetcore-runtime-8.0
Purl
pkg:rpm/almalinux/aspnetcore-runtime-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
aspnetcore-runtime-dbg-8.0

Package

Name
aspnetcore-runtime-dbg-8.0
Purl
pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
aspnetcore-targeting-pack-8.0

Package

Name
aspnetcore-targeting-pack-8.0
Purl
pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-apphost-pack-8.0

Package

Name
dotnet-apphost-pack-8.0
Purl
pkg:rpm/almalinux/dotnet-apphost-pack-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-hostfxr-8.0

Package

Name
dotnet-hostfxr-8.0
Purl
pkg:rpm/almalinux/dotnet-hostfxr-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-runtime-8.0

Package

Name
dotnet-runtime-8.0
Purl
pkg:rpm/almalinux/dotnet-runtime-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-runtime-dbg-8.0

Package

Name
dotnet-runtime-dbg-8.0
Purl
pkg:rpm/almalinux/dotnet-runtime-dbg-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-sdk-8.0

Package

Name
dotnet-sdk-8.0
Purl
pkg:rpm/almalinux/dotnet-sdk-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.132-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-sdk-8.0-source-built-artifacts

Package

Name
dotnet-sdk-8.0-source-built-artifacts
Purl
pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifacts

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.132-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-sdk-dbg-8.0

Package

Name
dotnet-sdk-dbg-8.0
Purl
pkg:rpm/almalinux/dotnet-sdk-dbg-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.132-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-targeting-pack-8.0

Package

Name
dotnet-targeting-pack-8.0
Purl
pkg:rpm/almalinux/dotnet-targeting-pack-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.32-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"
dotnet-templates-8.0

Package

Name
dotnet-templates-8.0
Purl
pkg:rpm/almalinux/dotnet-templates-8.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.132-1.el9_8

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:86169.json"