{"id":"RHSA-2026:67614","summary":"Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update","modified":"2026-09-18T10:15:00Z","published":"2026-09-16T10:14:57Z","upstream":["CVE-2026-58649","CVE-2026-69806"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:67614"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528870"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528921"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67614.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58649"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-58649"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58649"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-69806"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-69806"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69806"}],"affected":[{"package":{"name":"aspnetcore-runtime-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/aspnetcore-runtime-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"aspnetcore-runtime-dbg-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/aspnetcore-runtime-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"aspnetcore-targeting-pack-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/aspnetcore-targeting-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-apphost-pack-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-apphost-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-apphost-pack-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-apphost-pack-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-hostfxr-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-hostfxr-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-hostfxr-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-hostfxr-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-runtime-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-runtime-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-dbg-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-runtime-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-sdk-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-sdk-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-aot-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-sdk-aot-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-aot-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-sdk-aot-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-dbg-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-sdk-dbg-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-targeting-pack-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-targeting-pack-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-templates-9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet-templates-9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet9.0","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet9.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet9.0-debugsource","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/dotnet9.0-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"netstandard-targeting-pack-2.1","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/netstandard-targeting-pack-2.1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-apphost-pack-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-apphost-pack-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-hostfxr-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-hostfxr-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-runtime-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-runtime-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.20-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-sdk-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-9.0-source-built-artifacts","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-sdk-9.0-source-built-artifacts"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet-sdk-aot-9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet-sdk-aot-9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet9.0-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet9.0-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}},{"package":{"name":"dotnet9.0-debugsource","ecosystem":"Red Hat:enterprise_linux:9::crb","purl":"pkg:rpm/redhat/dotnet9.0-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:67614.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}