{"id":"CVE-2019-0982","aliases":["EUVD-2022-2403","GHSA-4jxx-4qxw-prxm"],"status":"published","title":"Denial of service in ASP.NET Core","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.06681,"percentile":0.93948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-19"],"published":"2019-05-16T18:24:57Z","modified":"2026-10-24T10:31:05Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.SignalR.Protocols.MessagePack","fixed_in":["1.1.5","1.0.11"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SignalR.Protocols.MessagePack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.5"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SignalR.Protocols.MessagePack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.0.11"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SignalR.Protocols.MessagePack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.5"}]}],"versions":["1.1.0"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SignalR.Protocols.MessagePack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.0.11"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4"]}],"products":[{"vendor":"microsoft","product":"asp.net core"},{"vendor":"microsoft","product":"asp.net_core"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0982","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0982","tags":["advisory"]},{"url":"https://github.com/aspnet/Announcements/issues/359","tags":["web"]},{"url":"https://github.com/github/advisory-database/issues/302","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4jxx-4qxw-prxm"}],"sources":{"cve":[{"id":"CVE-2019-0982","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2019-05-16T18:24:57Z","modified":"2024-08-04T18:06:31.304Z","updated_at":"2026-11-02T14:32:24.110857Z"}],"euvd":[{"id":"EUVD-2022-2403","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2019-05-16T18:24:57Z","modified":"2024-08-04T18:06:31Z","updated_at":"2026-11-03T03:06:59.435978Z"}],"ghsa":[{"id":"GHSA-4jxx-4qxw-prxm","title":"Denial of service in ASP.NET Core","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2022-05-24T16:45:54Z","modified":"2023-01-27T05:02:50Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:36:20.144464Z"}],"nvd":[{"id":"CVE-2019-0982","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2019-05-16T19:29:05.083Z","modified":"2026-06-17T02:09:21.28Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-19"],"updated_at":"2026-11-02T14:05:13.880207Z"}],"osv":[{"id":"CVE-2019-0982","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2019-05-16T19:29:05.083Z","modified":"2026-10-24T10:31:05.252953275Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:10.051046Z"},{"id":"GHSA-4jxx-4qxw-prxm","title":"Denial of service in ASP.NET Core","description":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","status":"published","published":"2022-05-24T16:45:54Z","modified":"2024-12-07T05:27:15.992078Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:37.148947Z"}]}}