{"id":"CVE-2026-110938","revision":null,"records":[{"revision":"c05f15edbfe94524aa950eb3fa20e527","observedAt":"2026-10-26T18:35:30.824+00:00","statement":{"source":"cve-program","id":"CVE-2026-110938","aliases":[],"title":"JITServer: Multiple Denial of Service vulnerabilities via out-of-bounds heap reads during message and reply parsing","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).","state":0,"publishedAt":"2026-10-21T08:03:26.062+00:00","modifiedAt":"2026-10-26T17:57:34.803+00:00","affected":[{"ecosystem":"Vendor product","name":"Eclipse OpenJ9","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Eclipse Foundation\",\n                    \"product\": \"Eclipse OpenJ9\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0.8.0\",\n                            \"lessThan\": \"0.63\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.7,"severity":"HIGH"}],"references":["https://github.com/eclipse-openj9/openj9/pull/25011","https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/943","https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/944","https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/946","https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/947","https://gitlab.eclipse.org/security/cve-assignment/-/work_items/407"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110938","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110938","identifiers":["CVE-2026-110938"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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No reader inventory is sent.","generation":"enrichment-e1c431e1022f4db1b4e459e61c31a4ca","complete":true,"records":13645,"lastAttemptAt":"2026-11-07T16:08:00.6485737+00:00","lastSuccessAt":"2026-11-07T16:08:00.644+00:00","error":null,"lastVerifiedAt":"2026-11-07T16:08:00.644+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13685,"expectedIdentifiers":13685,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-0eb4d6dde62dffacd040ad992d4fd5a65cd7d0dc5f5f4cfa8b41967fc6f9ca5f","complete":true,"records":9914,"lastAttemptAt":"2026-11-07T16:07:52.5107257+00:00","lastSuccessAt":"2026-11-06T20:10:36.6450506+00:00","error":null,"lastVerifiedAt":"2026-11-07T16:07:52.5107257+00:00","snapshotPublishedAt":"2026-11-06T20:02:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-07T16:07:52.2947928+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-07T16:07:52.2947928+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-335633e78a15c9cde10a6025895b5617717087fb945489ae7e15d377bacf34a9","complete":true,"records":3055,"lastAttemptAt":"2026-11-07T16:07:52.5258708+00:00","lastSuccessAt":"2026-11-06T16:03:00.7615789+00:00","error":null,"lastVerifiedAt":"2026-11-07T16:07:52.5258708+00:00","snapshotPublishedAt":"2026-11-06T16:02:48+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-40ad6183a951565ace1520a9b4d631e1d0bfb1d4bf7c5574c375032559f3ff53","complete":true,"records":231292,"lastAttemptAt":"2026-11-07T16:07:52.4004477+00:00","lastSuccessAt":"2026-11-07T10:29:00.4821259+00:00","error":null,"lastVerifiedAt":"2026-11-07T16:07:52.4004477+00:00","snapshotPublishedAt":"2026-11-07T09:32:47+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}