{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.41.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9ffd13e9ab6c2c02bd1f95a7169c9a69b1b6bc54"
            },
            {
              "fixed": "98ce6624cd2563cfdb5da3b2949d5e1e03867034"
            }
          ],
          "repo": "https://github.com/facebook/mcrouter",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service.",
  "id": "CVE-2019-11923",
  "modified": "2026-03-13T21:58:42.588569474Z",
  "published": "2019-12-04T16:15:11.637Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/facebook/mcrouter/releases/tag/v0.41.0-release"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.facebook.com/security/advisories/cve-2019-11923"
    },
    {
      "type": "FIX",
      "url": "https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}