{"id":"ALSA-2026:99052","summary":"Important: .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: 8.0.134  \nRuntime version: 8.0.34  \n\nSecurity Fix(es):  \n\n  * dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-109478)\n  * dotnet8.0: dotnet11.0: dotnet9.0: dotnet10.0: ASP.NET Core Information Disclosure Vulnerability (CVE-2026-109476)\n  * dotnet11.0: dotnet10.0: dotnet9.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-105544)\n  * dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: .NET Denial of Service Vulnerability (CVE-2026-109475)\n  * dotnet9.0: dotnet11.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114146)\n  * dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114147)\n  * dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114149)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update .NET 8.0 to SDK 8.0.134 and Runtime 8.0.34 (JIRA:RHEL-302533)\n\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.\n","modified":"2026-11-13T12:15:02.329009505Z","published":"2026-11-11T00:00:00Z","related":["CVE-2026-105544","CVE-2026-109475","CVE-2026-109476","CVE-2026-109478","CVE-2026-114146","CVE-2026-114147","CVE-2026-114149"],"upstream":["CVE-2026-105544","CVE-2026-109475","CVE-2026-109476","CVE-2026-109478","CVE-2026-114146","CVE-2026-114147","CVE-2026-114149"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:99052"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-105544"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-109475"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-109476"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-109478"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-114146"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-114147"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-114149"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568440"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568441"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568442"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568443"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568446"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568449"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2568450"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-99052.html"}],"affected":[{"package":{"name":"aspnetcore-runtime-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/aspnetcore-runtime-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"aspnetcore-runtime-dbg-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"aspnetcore-targeting-pack-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-apphost-pack-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-apphost-pack-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-hostfxr-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-hostfxr-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-runtime-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-runtime-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-runtime-dbg-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-runtime-dbg-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.34-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-sdk-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-sdk-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.134-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-sdk-8.0-source-built-artifacts","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifacts"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.134-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package":{"name":"dotnet-sdk-dbg-8.0","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/dotnet-sdk-dbg-8.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.134-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:99052.json"}},{"package"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