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Package details: pkg:nuget/System.Net.WebSockets.Client@4.3.1
purl pkg:nuget/System.Net.WebSockets.Client@4.3.1
Vulnerabilities affecting this package (0)
Vulnerability Summary Fixed by
This package is not known to be affected by vulnerabilities.
Vulnerabilities fixed by this package (4)
Vulnerability Summary Aliases
VCID-axvm-3dh9-3kf6 Improper Input Validation A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range. CVE-2017-0247
GHSA-6xh7-4v2w-36q6
VCID-b2mg-kc6t-z7ht Improper Input Validation A spoofing vulnerability exists when the ASP.NET Core fails to properly sanitize web requests. CVE-2017-0256
GHSA-j8f4-2w4p-mhjc
VCID-j4d8-wr24-63d3 Improper Certificate Validation Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability." CVE-2017-0248
GHSA-ch6p-4jcm-h8vh
VCID-mrpr-pw4n-bfae Improper Input Validation An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests. CVE-2017-0249
GHSA-qhqf-ghgh-x2m4

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T20:48:34.919960+00:00 GitLab Importer Fixing VCID-b2mg-kc6t-z7ht https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0256.yml 38.4.0
2026-04-16T20:48:15.685440+00:00 GitLab Importer Fixing VCID-axvm-3dh9-3kf6 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0247.yml 38.4.0
2026-04-16T20:48:11.603067+00:00 GitLab Importer Fixing VCID-mrpr-pw4n-bfae https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0249.yml 38.4.0
2026-04-16T20:48:07.490540+00:00 GitLab Importer Fixing VCID-j4d8-wr24-63d3 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0248.yml 38.4.0
2026-04-11T21:59:30.090292+00:00 GitLab Importer Fixing VCID-b2mg-kc6t-z7ht https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0256.yml 38.3.0
2026-04-11T21:59:07.297216+00:00 GitLab Importer Fixing VCID-axvm-3dh9-3kf6 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0247.yml 38.3.0
2026-04-11T21:59:03.188502+00:00 GitLab Importer Fixing VCID-mrpr-pw4n-bfae https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0249.yml 38.3.0
2026-04-11T21:58:59.676843+00:00 GitLab Importer Fixing VCID-j4d8-wr24-63d3 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0248.yml 38.3.0
2026-04-02T22:12:41.457726+00:00 GitLab Importer Fixing VCID-b2mg-kc6t-z7ht https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0256.yml 38.1.0
2026-04-02T22:12:24.775203+00:00 GitLab Importer Fixing VCID-axvm-3dh9-3kf6 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0247.yml 38.1.0
2026-04-02T22:12:21.525680+00:00 GitLab Importer Fixing VCID-mrpr-pw4n-bfae https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0249.yml 38.1.0
2026-04-02T22:12:17.922580+00:00 GitLab Importer Fixing VCID-j4d8-wr24-63d3 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0248.yml 38.1.0
2026-04-01T15:56:49.536010+00:00 GHSA Importer Fixing VCID-j4d8-wr24-63d3 https://github.com/advisories/GHSA-ch6p-4jcm-h8vh 38.0.0
2026-04-01T15:56:48.449499+00:00 GHSA Importer Fixing VCID-axvm-3dh9-3kf6 https://github.com/advisories/GHSA-6xh7-4v2w-36q6 38.0.0
2026-04-01T15:56:47.711933+00:00 GHSA Importer Fixing VCID-b2mg-kc6t-z7ht https://github.com/advisories/GHSA-j8f4-2w4p-mhjc 38.0.0
2026-04-01T15:56:47.307029+00:00 GHSA Importer Fixing VCID-mrpr-pw4n-bfae https://github.com/advisories/GHSA-qhqf-ghgh-x2m4 38.0.0
2026-04-01T13:03:35.493029+00:00 GithubOSV Importer Fixing VCID-b2mg-kc6t-z7ht https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-j8f4-2w4p-mhjc/GHSA-j8f4-2w4p-mhjc.json 38.0.0
2026-04-01T13:03:34.267343+00:00 GithubOSV Importer Fixing VCID-axvm-3dh9-3kf6 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-6xh7-4v2w-36q6/GHSA-6xh7-4v2w-36q6.json 38.0.0
2026-04-01T13:03:33.659678+00:00 GithubOSV Importer Fixing VCID-mrpr-pw4n-bfae https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-qhqf-ghgh-x2m4/GHSA-qhqf-ghgh-x2m4.json 38.0.0
2026-04-01T13:03:20.182734+00:00 GithubOSV Importer Fixing VCID-j4d8-wr24-63d3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-ch6p-4jcm-h8vh/GHSA-ch6p-4jcm-h8vh.json 38.0.0
2026-04-01T12:48:01.973361+00:00 GitLab Importer Fixing VCID-b2mg-kc6t-z7ht https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0256.yml 38.0.0
2026-04-01T12:48:00.800866+00:00 GitLab Importer Fixing VCID-axvm-3dh9-3kf6 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0247.yml 38.0.0
2026-04-01T12:48:00.558452+00:00 GitLab Importer Fixing VCID-mrpr-pw4n-bfae https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0249.yml 38.0.0
2026-04-01T12:48:00.208514+00:00 GitLab Importer Fixing VCID-j4d8-wr24-63d3 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/System.Net.WebSockets.Client/CVE-2017-0248.yml 38.0.0