{"id":"ALSA-2026:4453","summary":"Important: .NET 10.0 security update","details":".NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.  \n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.104 and .NET Runtime 10.0.4.Security Fix(es):  \n\n  * .net: .NET: Denial of Service via out-of-bounds read (CVE-2026-26127)\n  * asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-26130)\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":"2026-03-16T08:30:07.984502Z","published":"2026-03-12T00:00:00Z","related":["CVE-2026-26127","CVE-2026-26130"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:4453"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-26127"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-26130"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2446098"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2446134"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-4453.html"}],"affected":[{"package":{"name":"aspnetcore-runtime-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/aspnetcore-runtime-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"aspnetcore-runtime-dbg-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/aspnetcore-runtime-dbg-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"aspnetcore-targeting-pack-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/aspnetcore-targeting-pack-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-apphost-pack-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-apphost-pack-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-host","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-host"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-hostfxr-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-hostfxr-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-runtime-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-runtime-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-runtime-dbg-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-runtime-dbg-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-sdk-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-sdk-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.104-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-sdk-10.0-source-built-artifacts","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-sdk-10.0-source-built-artifacts"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.104-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-sdk-aot-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-sdk-aot-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.104-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-sdk-dbg-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-sdk-dbg-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.104-1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:4453.json"}},{"package":{"name":"dotnet-targeting-pack-10.0","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/dotnet-targeting-pack-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.4-1.el10_1"}]}],"database_specific":{"source":"https://github.com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