{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-26682", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2025-02-12T22:35:41.551Z", "datePublished": "2025-04-08T17:24:22.748Z", "dateUpdated": "2025-06-04T17:53:37.082Z"}, "containers": {"cna": {"title": "ASP.NET Core and Visual Studio Denial of Service Vulnerability", "datePublic": "2025-04-08T07:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0", "versionEndExcluding": "8.0.15"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.0", "versionEndExcluding": "17.12.7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.10", "versionEndExcluding": "17.13.6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.8.0", "versionEndExcluding": "17.8.20"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.10", "versionEndExcluding": "17.10.13"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0", "versionEndExcluding": "9.0.4"}]}]}], "affected": [{"vendor": "Microsoft", "product": "ASP.NET Core 8.0", "platforms": ["Unknown"], "versions": [{"version": "8.0", "lessThan": "8.0.15", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.12", "platforms": ["Unknown"], "versions": [{"version": "17.0", "lessThan": "17.12.7", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.13", "platforms": ["Unknown"], "versions": [{"version": "17.10", "lessThan": "17.13.6", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.8", "platforms": ["Unknown"], "versions": [{"version": "17.8.0", "lessThan": "17.8.20", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.10", "platforms": ["Unknown"], "versions": [{"version": "17.10", "lessThan": "17.10.13", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "ASP.NET Core 9.0", "platforms": ["Unknown"], "versions": [{"version": "9.0", "lessThan": "9.0.4", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-770: Allocation of Resources Without Limits or Throttling", "lang": "en-US", "type": "CWE", "cweId": "CWE-770"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2025-06-04T17:53:37.082Z"}, "references": [{"name": "ASP.NET Core and Visual Studio Denial of Service Vulnerability", "tags": ["vendor-advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-08T17:33:33.003391Z", "id": "CVE-2025-26682", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-08T17:33:49.130Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-26682", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-08T17:33:33.003391Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-08T17:33:38.691Z"}}], "cna": {"title": "ASP.NET Core and Visual Studio Denial of Service Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "ASP.NET Core 8.0", "versions": [{"status": "affected", "version": "8.0", "lessThan": "8.0.15", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.12", "versions": [{"status": "affected", "version": "17.0", "lessThan": "17.12.7", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.13", "versions": [{"status": "affected", "version": "17.10", "lessThan": "17.13.6", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.8", "versions": [{"status": "affected", "version": "17.8.0", "lessThan": "17.8.20", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.10", "versions": [{"status": "affected", "version": "17.10", "lessThan": "17.10.13", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "ASP.NET Core 9.0", "versions": [{"status": "affected", "version": "9.0", "lessThan": "9.0.4", "versionType": "custom"}], "platforms": ["Unknown"]}], "datePublic": "2025-04-08T07:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682", "name": "ASP.NET Core and Visual Studio Denial of Service Vulnerability", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en-US", "value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "8.0.15", "versionStartIncluding": "8.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.12.7", "versionStartIncluding": "17.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.13.6", "versionStartIncluding": "17.10"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.8.20", "versionStartIncluding": "17.8.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.10.13", "versionStartIncluding": "17.10"}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "9.0.4", "versionStartIncluding": "9.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2025-06-04T17:53:37.082Z"}}}, "cveMetadata": {"cveId": "CVE-2025-26682", "state": "PUBLISHED", "dateUpdated": "2025-06-04T17:53:37.082Z", "dateReserved": "2025-02-12T22:35:41.551Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2025-04-08T17:24:22.748Z", "assignerShortName": "microsoft"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "B88AC3B2-D1DF-4FBE-8368-08FAA751FB9E", "versionEndExcluding": "8.0.15", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "88CF94BA-45FD-40CF-9814-DDBF5E289559", "versionEndExcluding": "9.0.4", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "721FAAC5-CAF7-4741-AD98-7DA1E244CE93", "versionEndExcluding": "17.8.20", "versionStartIncluding": "17.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8A53B16-AC32-4943-9532-5CA70A543A09", "versionEndExcluding": "17.10.13", "versionStartIncluding": "17.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "C403B4A3-41D8-454A-80F6-2DC9F31BE427", "versionEndExcluding": "17.12.7", "versionStartIncluding": "17.12.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "3093F62C-597E-47AA-9BE5-6FD2D5E98810", "versionEndExcluding": "17.13.6", "versionStartIncluding": "17.13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network."}, {"lang": "es", "value": "La asignaci\u00f3n de recursos sin l\u00edmites ni limitaciones en ASP.NET Core permite que un atacante no autorizado deniegue el servicio a trav\u00e9s de una red."}], "id": "CVE-2025-26682", "lastModified": "2025-07-09T16:32:39.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}]}, "published": "2025-04-08T18:15:53.033", "references": [{"source": "secure@microsoft.com", "tags": ["Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{"bugzilla": {"description": "dotnet: .NET: ASP.NET Core denial of service with HTTP/3", "id": "2357945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2357945"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.", "A flaw was found in dotnet. Improper use of the HTTP/3 protocol allows an unauthorized remote attacker to cause an allocation of resources without limits or throttling in ASP.NET Core, resulting in a denial of service."], "name": "CVE-2025-26682", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet6.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet7.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-08T16:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-26682\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-26682\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682"], "statement": "This issue can only be exploited when support for the HTTP/3 protocol is enabled. The .NET packages shipped in Red Hat Enterprise Linux do not support the HTTP/3 protocol. Therefore, Red Hat products are not affected by this vulnerability.", "threat_severity": "Important"}