{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a"
            },
            {
              "fixed": "585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff"
            },
            {
              "fixed": "9217017f4bce53dddb8d547837f1f707045d64ad"
            },
            {
              "fixed": "2b50aceafe6606ea52ed42aadd1b4d44a188aade"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.16.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64208.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks\n\nChange the krb5 crypto library to provide facilities to precheck the length\nof the message about to be decrypted or verified.\n\nFix AF_RXRPC to make use of this to validate DATA packets secured with\nRxGK.",
  "id": "CVE-2026-64208",
  "modified": "2026-07-27T03:56:12.002690834Z",
  "published": "2026-07-24T15:23:00.113Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b50aceafe6606ea52ed42aadd1b4d44a188aade"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9217017f4bce53dddb8d547837f1f707045d64ad"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64208.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64208"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks"
}