{"id":"CVE-2012-4420","aliases":["EUVD-2012-4355","GHSA-qmhj-qfmf-95g9"],"status":"published","title":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation...","description":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04512,"percentile":0.91586,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2019-12-26T20:46:04Z","modified":"2026-06-16T23:44:59Z","products":[{"vendor":"java-1.7.0-openjdk","product":"java-1.7.0-openjdk"},{"vendor":"oracle","product":"jdk"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://access.redhat.com/security/cve/cve-2012-4420","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78693","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/13/3","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/55538","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.openwall.com/lists/oss-security/2012/09/12/4","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4420"},{"url":"https://github.com/advisories/GHSA-qmhj-qfmf-95g9"}],"sources":{"cve":[{"id":"CVE-2012-4420","description":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.","status":"published","published":"2019-12-26T20:46:04Z","modified":"2024-08-06T20:35:09.464Z","updated_at":"2026-11-02T14:34:51.937988Z"}],"euvd":[{"id":"EUVD-2012-4355","description":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.","status":"published","published":"2019-12-26T20:46:04Z","modified":"2024-08-06T20:35:09Z","updated_at":"2026-11-03T01:56:07.912368Z"}],"ghsa":[{"id":"GHSA-qmhj-qfmf-95g9","title":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation...","description":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.","status":"published","published":"2022-04-23T00:40:26Z","modified":"2024-04-11T21:18:06Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:57:09.217628Z"}],"nvd":[{"id":"CVE-2012-4420","description":"An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.","status":"published","published":"2019-12-26T21:15:11.087Z","modified":"2026-06-16T23:44:59.037Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:18.043773Z"}]}}