{"id":"CVE-2022-219862","aliases":["ALSA-2022:0495","ALSA-2022:0496"],"status":"published","title":"Important: .NET 5.0 security and bugfix update","description":".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 5.0.211 and .NET Runtime 5.0.14.\n\nSecurity Fix(es):\n\n* dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-219862)\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.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-02-09T08:26:30Z","modified":"2026-10-29T11:12:09Z","fixes":[{"ecosystem":"AlmaLinux:8","package":"aspnetcore-runtime-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"aspnetcore-targeting-pack-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-apphost-pack-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-hostfxr-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-runtime-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-sdk-5.0","fixed_in":["5.0.211-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-sdk-5.0-source-built-artifacts","fixed_in":["5.0.211-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-targeting-pack-5.0","fixed_in":["5.0.14-1.el8_5"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"dotnet-templates-5.0","fixed_in":["5.0.211-1.el8_5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:8","package":"aspnetcore-runtime-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"aspnetcore-targeting-pack-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-apphost-pack-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-hostfxr-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-runtime-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-sdk-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.211-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-sdk-5.0-source-built-artifacts","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.211-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-targeting-pack-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-templates-5.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.211-1.el8_5"}]}]},{"source":"osv","ecosystem":"AlmaLinux:8","package":"aspnetcore-runtime-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"aspnetcore-targeting-pack-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.102-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-apphost-pack-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-hostfxr-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-runtime-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-sdk-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.102-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-targeting-pack-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"dotnet-templates-6.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.102-1.el8_5"}]}],"bundled":2},{"source":"osv","ecosystem":"AlmaLinux:8","package":"netstandard-targeting-pack-2.1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.102-1.el8_5"}]}],"bundled":2}],"references":[{"url":"https://vulners.com/cve/CVE-2022-219862","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2022-21986","tags":["report"]}],"sources":{"osv":[{"id":"ALSA-2022:0495","title":"Important: .NET 5.0 security and bugfix update","description":".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 5.0.211 and .NET Runtime 5.0.14.\n\nSecurity Fix(es):\n\n* dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-219862)\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.","status":"published","published":"2022-02-09T08:26:30Z","modified":"2026-10-29T11:00:39.430777921Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"ALSA-2022:0496","title":"Important: .NET 6.0 security and bugfix update","description":".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 6.0.102 and .NET Runtime 6.0.2.\n\nSecurity Fix(es):\n\n* dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-219862)\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.","status":"published","published":"2022-02-09T08:26:35Z","modified":"2026-10-29T11:12:09.042305829Z","updated_at":"2026-11-02T15:27:51.196609Z"}]}}