{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0.21"
              },
              {
                "fixed": "0.59"
              },
              {
                "introduced": "0.21.0"
              },
              {
                "fixed": "0.59.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "34cf4c07578b37050e6498dc74c84a83efe321b3"
            },
            {
              "fixed": "c53b6b93f422b77b3395a3464d5578b706e9a618"
            }
          ],
          "repo": "https://github.com/eclipse-openj9/openj9",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-q393-vr4c-969r"
  ],
  "database_specific": {
    "cna_assigner": "eclipse",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6918.json"
  },
  "details": "In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.",
  "id": "CVE-2026-6918",
  "modified": "2026-07-16T03:31:03.438490088Z",
  "published": "2026-05-05T12:29:09.667Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6918.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:22328"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6918"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6918.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6918"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466741"
    },
    {
      "type": "FIX",
      "url": "https://github.com/eclipse-openj9/openj9/pull/23793"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ]
}