{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.33.2"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.0.40"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "9e504a4ac839ac771ee96ea626d225adaa7df054"
            }
          ],
          "repo": "https://github.com/wbx-github/uclibc-ng",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.",
  "id": "CVE-2022-30295",
  "modified": "2026-03-13T21:55:39.233523571Z",
  "published": "2022-05-06T05:15:07.213Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.kb.cert.org/vuls/id/473698"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.nozominetworks.com/blog/nozomi-networks-discovers-unpatched-dns-bug-in-popular-c-standard-library-putting-iot-at-risk/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}