{"id":"CVE-2019-11772","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-11772","generatedAt":"2026-10-28T22:21:13.616Z","title":"This allows arbitrary writes to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager.","description":"In Eclipse OpenJ9 prior to 0.15, the String.getBytes(int, int, byte[], int) method does not verify that the provided byte array is non-null nor that the provided index is in bounds when compiled by the JIT. This allows arbitrary writes to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager.","published":"2019-07-17T21:15:11.000Z","lastModified":"2026-06-17T02:13:37.000Z","status":"Modified","sourceIdentifier":"emo@eclipse.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["eclipse/openj9"],"epss":{"score":0.02098,"percentile":0.81588,"date":"2026-10-27","history":[]},"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 (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2019:2585","source":"emo@eclipse.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2590","source":"emo@eclipse.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2592","source":"emo@eclipse.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2737","source":"emo@eclipse.org"},{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=549075","tags":["Permissions Required","Vendor Advisory"],"source":"emo@eclipse.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2585","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:2590","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:2592","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:2737","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=549075","tags":["Permissions Required","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11772","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."}