{"id":"CVE-2026-110938","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110938","generatedAt":"2026-10-28T03:39:44.848Z","title":"In Eclipse OpenJ9 versions up to 0.63.0, the JITServer component is vulnerable to denial of service due to improper boundary checks during protocol message and reply handling.","description":"In Eclipse OpenJ9 versions up to 0.63.0, the JITServer component is vulnerable to denial of service due to improper boundary checks during protocol message and reply handling. An unauthenticated remote attacker or malicious JITServer can transmit malformed network payloads that cause out-of-bounds heap reads, immediately crashing the JITServer daemon or client JVM process via a segmentation fault (SIGSEGV).","published":"2026-10-21T09:17:07.000Z","lastModified":"2026-10-26T18:17:35.000Z","status":"Awaiting Analysis","sourceIdentifier":"emo@eclipse.org","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-20","CWE-125"],"affected":[],"epss":{"score":0.00415,"percentile":0.35594,"date":"2026-10-27","history":[{"date":"2026-10-21","score":0.00415,"percentile":0.34657}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T09:17:07.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-21T09:17:06.717Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://github.com/eclipse-openj9/openj9/pull/25011","source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/407","source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/943","source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/944","source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/946","source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/947","source":"emo@eclipse.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110938","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}