{
  "threat_severity" : "Important",
  "public_date" : "2026-05-05T12:29:09Z",
  "bugzilla" : {
    "description" : "Eclipse Open9J: Denial of Service in JITServer via crafted TCP message",
    "id" : "2466741",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2466741"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-1286",
  "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.", "A flaw was found in Eclipse Open9J and JITServer. A remote attacker, without needing to authenticate, can send a specially crafted 32-byte TCP message to JITServer. This action can cause JITServer to crash, leading to a Denial of Service (DoS) for affected systems." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-06-01T00:00:00Z",
    "advisory" : "RHSA-2026:22328",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "java-21-ibm-semeru-certified-jdk-1:21.0.11.0.10-2.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-06-01T00:00:00Z",
    "advisory" : "RHSA-2026:22328",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "java-21-ibm-semeru-certified-jdk-1:21.0.11.0.10-1.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.2 Extended Update Support",
    "release_date" : "2026-06-01T00:00:00Z",
    "advisory" : "RHSA-2026:22328",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.2",
    "package" : "java-21-ibm-semeru-certified-jdk-1:21.0.11.0.10-2.el10_1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-6918\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-6918\nhttps://github.com/eclipse-openj9/openj9/pull/23793\nhttps://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r" ],
  "name" : "CVE-2026-6918",
  "csaw" : false
}