{"id":"CVE-2021-26423","details":".NET Core and Visual Studio Denial of Service Vulnerability","aliases":["BIT-dotnet-2021-26423","BIT-dotnet-sdk-2021-26423","GHSA-rh58-r7jh-xhx3"],"modified":"2026-04-09T07:37:17.383109Z","published":"2021-08-12T18:15:08.537Z","references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/core","events":[{"introduced":"62bcac3998e1168f4a34b775a06d6451b5ffca7b"},{"last_affected":"532b35ca2acfb62e831768ba07401212877ac104"},{"introduced":"5c0a0489d157ca82fca6f9b73c682f118e8c4a8a"},{"last_affected":"532b35ca2acfb62e831768ba07401212877ac104"}],"database_specific":{"versions":[{"introduced":"5.0"},{"last_affected":"5.0.8"},{"introduced":"3.1"},{"last_affected":"3.1.17"}]}},{"type":"GIT","repo":"https://github.com/powershell/powershell","events":[{"introduced":"b54b188c1804d4dcebb09a8be3a67916abd94fd7"},{"fixed":"6e5e7f595fb4c33150679ebb4d13ba5e1f682e76"},{"introduced":"fa01333bfeef5dd7769143e2b4ec7ffdb70c62c8"},{"fixed":"3e91b1e4e0cd12f3742c3f0265aecf68dd13f969"}],"database_specific":{"versions":[{"introduced":"7.0"},{"fixed":"7.0.7"},{"introduced":"7.1"},{"fixed":"7.1.4"}]}}],"versions":["v2.1.24","v2.1.25","v3.1.10","v3.1.11","v3.1.12","v3.1.13","v3.1.14","v3.1.15","v3.1.16","v3.1.17","v5.0.0","v5.0.1","v5.0.2","v5.0.3","v5.0.4","v5.0.5","v5.0.6","v5.0.7","v5.0.8","v6.0.0-preview.1","v6.0.0-preview.2","v6.0.0-preview.3","v6.0.0-preview.4","v6.0.0-preview.5","v7.0.0","v7.0.1","v7.0.2","v7.0.3","v7.0.4","v7.0.5","v7.0.6","v7.1.0","v7.1.1","v7.1.2","v7.1.3"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"2.1"},{"last_affected":"2.1.28"}]},{"events":[{"introduced":"15.0"},{"last_affected":"15.9"}]},{"events":[{"introduced":"16.0"},{"last_affected":"16.10"}]},{"events":[{"introduced":"0"},{"last_affected":"8.10"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26423.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}