{"id":"GHSA-v3f6-m9j2-437p","summary":"Duplicate Advisory: Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability","details":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-8cp2-47hg-mfgh. This link is maintained to preserve external references.\n\n### Original Description\nImproper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.","modified":"2026-09-08T21:30:06.066480833Z","published":"2026-09-08T18:32:21Z","withdrawn":"2026-09-08T21:14:33Z","database_specific":{"github_reviewed_at":"2026-09-08T21:14:33Z","nvd_published_at":"2026-09-08T18:18:46Z","cwe_ids":["CWE-409"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69304"},{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"},{"type":"PACKAGE","url":"https://www.nuget.org/packages/Microsoft.AspNetCore.Server.IISIntegration"}],"affected":[{"package":{"name":"Microsoft.AspNetCore.Server.IISIntegration","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0-preview.1"},{"fixed":"11.0.0-rc.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"}},{"package":{"name":"Microsoft.AspNetCore.Server.IISIntegration","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.0.31"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json","last_known_affected_version_range":"\u003c= 8.0.30"}},{"package":{"name":"Microsoft.AspNetCore.Server.IISIntegration","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.20"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 9.0.19","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"}},{"package":{"name":"Microsoft.AspNetCore.Server.IISIntegration","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.0.12"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 10.0.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}