{"id":"CVE-2026-16439","summary":"Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow","details":"In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.","modified":"2026-07-31T03:29:47.043577540Z","published":"2026-07-21T17:28:44.409Z","related":["CGA-5pmq-r4gv-hxj8"],"database_specific":{"cna_assigner":"eclipse","cwe_ids":["CWE-124"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16439.json"},"references":[{"type":"WEB","url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/192"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16439.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16439"},{"type":"FIX","url":"https://github.com/eclipse-openj9/openj9/pull/24394"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-openj9/openj9","events":[{"introduced":"e24e8aa9bdffadfff8564ac605b0003928dcd1aa"},{"fixed":"396c827fb365c53b26586f55ec09d4727b37d9be"}],"database_specific":{"extracted_events":[{"introduced":"0.8.0"},{"fixed":"0.60.0"}],"source":"AFFECTED_FIELD"}}],"versions":["openj9-0.35.0-m1","openj9-0.33.0-m1","openj9-0.30.0-m1a","openj9-0.30.0-m1","openj9-0.29.0-m1","openj9-0.27.0-m1","openj9-0.26.0-m1","openj9-0.24.0-m1","openj9-0.23.0-m1","openj9-0.22.0-m1","openj9-0.21.0-m1","openj9-0.20.0-m1","openj9-0.19.0-m1","openj9-0.18.0-m1","openj9-0.17.0-m1","openj9-0.16.0-m1","openj9-0.12.0-rc1","openj9-0.12.0-m2","openj9-0.12.0-m1","openj9-0.11.0-rc2","openj9-0.11.0","openj9-0.11.0-rc1","openj9-0.10.0-rc1","openj9-0.9.0-rc1","openj9-0.8.0-rc2","openj9-0.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-16439.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L"}]}