{"id":"ALSA-2026:67614","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.  \n\nSDK version: 9.0.121  \nRuntime version: 9.0.20  \n\nSecurity Fix(es):  \n\n  * dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649)\n  * dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update .NET 9.0 to SDK 9.0.121 and Runtime 9.0.20 [almalinux-9.8.z] (JIRA:AlmaLinux-252278)\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":"2026-09-16T13:45:03.318266203Z","published":"2026-09-15T00:00:00Z","related":["CVE-2026-58649","CVE-2026-69806"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:67614"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58649"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-69806"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2528870"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2528921"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-67614.html"}],"affected":[{"package":{"name":"aspnetcore-runtime-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/aspnetcore-runtime-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"aspnetcore-runtime-dbg-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/aspnetcore-runtime-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"aspnetcore-targeting-pack-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/aspnetcore-targeting-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-apphost-pack-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-apphost-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-hostfxr-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-hostfxr-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-runtime-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-dbg-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-runtime-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-sdk-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0-source-built-artifacts","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-sdk-9.0-source-built-artifacts"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-aot-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-sdk-aot-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-dbg-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-sdk-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-targeting-pack-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-targeting-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:67614.json"}},{"package":{"name":"dotnet-templates-9.0","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/dotnet-templates-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/ma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