{"schema_version": "1.7.0", "id": "RLSA-2026:86594", "modified": "2026-10-22T00:12:06.573183Z", "published": "2026-10-22T00:01:17.335044Z", "upstream": ["CVE-2026-58280", "CVE-2026-66822", "CVE-2026-69651", "CVE-2026-70159", "CVE-2026-70175", "CVE-2026-70179", "CVE-2026-70181", "CVE-2026-70183", "CVE-2026-70186", "CVE-2026-70188", "CVE-2026-70196", "CVE-2026-88092", "CVE-2026-92707", "CVE-2026-96222", "CVE-2026-96225", "CVE-2026-96230", "CVE-2026-96231", "CVE-2026-96233", "CVE-2026-96236", "CVE-2026-96237", "CVE-2026-96238"], "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.\n\nSDK version: 8.0.132\nRuntime version: 8.0.32\n\nSecurity Fix(es):\n\n* dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)\n\n* dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)\n\n* dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)\n\n* dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)\n\n* dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)\n\n* dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)\n\n* dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)\n\n* dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)\n\n* dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)\n\n* dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)\n\n* dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)\n\n* dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)\n\n* dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)\n\n* dotnet8.0: Active Directory Federation Services (AD FS) Spoofing Vulnerability (CVE-2026-96222)\n\n* dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)\n\n* dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)\n\n* dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)\n\n* dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)\n\n* dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)\n\n* dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)\n\n* dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)\n\nBug Fix(es) and Enhancement(s):\n\n* Update .NET 8.0 to SDK 8.0.132 and Runtime 8.0.32 (JIRA:Rocky Linux-277790)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "dotnet8.0", "purl": "pkg:rpm/rocky-linux/dotnet8.0?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:8.0.132-2.el8_10"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:86594"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548778"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548781"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548784"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548786"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548787"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548790"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548791"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548792"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548793"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548796"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548798"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548799"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548800"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548802"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548803"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548804"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548805"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548806"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548807"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548808"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548809"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:86594"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:86594"}}