RLSA-2026:54550

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Source

https://errata.rockylinux.org/RLSA-2026:54550

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:54550.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:54550

Upstream

CVE-2026-62899

CVE-2026-62900

CVE-2026-62901

CVE-2026-62909

Published

2026-08-15T06:01:15.749673Z

Modified

2026-08-15T06:30:25.219549276Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator

Summary

Important: .NET 9.0 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: 9.0.120 Runtime version: 9.0.19

Security Fix(es):

.NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)
.NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)
.NET: .NET Denial of Service Vulnerability (CVE-2026-62901)
.NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

Bug Fix(es) and Enhancement(s):

Update .NET 9.0 to SDK 9.0.120 and Runtime 9.0.19 (JIRA:Rocky Linux-235473)

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.

Database specific

{
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:54550",
    "license": "CC-BY-4.0"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:8 / dotnet9.0

Package

Name: dotnet9.0
Purl: pkg:rpm/rocky-linux/dotnet9.0?distro=rocky-linux-8&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:9.0.120-1.el8_10

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:54550.json"