{"id":"CVE-2026-6918","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.","aliases":["GHSA-q393-vr4c-969r"],"modified":"2026-06-18T03:57:09.084241680Z","published":"2026-05-05T12:29:09.667Z","database_specific":{"cwe_ids":["CWE-125"],"cna_assigner":"eclipse","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6918.json"},"references":[{"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":"FIX","url":"https://github.com/eclipse-openj9/openj9/pull/23793"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-openj9/openj9","events":[{"introduced":"34cf4c07578b37050e6498dc74c84a83efe321b3"},{"fixed":"c53b6b93f422b77b3395a3464d5578b706e9a618"}],"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"]}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-6918.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","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"}]}