data/cve/v5/GO-2024-2883.json

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2025-47908"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "title": "Denial of service via malicious preflight requests in github.com/rs/cors",
      "descriptions": [
        {
          "lang": "en",
          "value": "Middleware causes a prohibitive amount of heap allocations when processing malicious preflight requests that include a Access-Control-Request-Headers (ACRH) header whose value contains many commas. This behavior can be abused by attackers to produce undue load on the middleware/server as an attempt to cause a denial of service."
        }
      ],
      "affected": [
        {
          "vendor": "github.com/rs/cors",
          "product": "github.com/rs/cors",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "github.com/rs/cors",
          "versions": [
            {
              "version": "1.9.0",
              "lessThan": "1.11.0",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "Cors.handlePreflight"
            },
            {
              "name": "Cors.areHeadersAllowed"
            },
            {
              "name": "New"
            },
            {
              "name": "splitHeaderValues"
            },
            {
              "name": "AllowAll"
            },
            {
              "name": "Cors.HandlerFunc"
            },
            {
              "name": "Cors.ServeHTTP"
            },
            {
              "name": "Default"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-1325: Improperly Controlled Sequential Memory Allocation"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/rs/cors/pull/171"
        },
        {
          "url": "https://github.com/rs/cors/issues/170"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2024-2883"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "@jub0bs"
        }
      ]
    }
  }
}