CVE-2012-4420

HIGH

Oracle JDK - Exposure of Sensitive Information via Integer Array Initialization

Title source: llm

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.

References (7)

Core 7

Core References

Issue Tracking, Third Party Advisory x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420

Third Party Advisory x_refsource_misc

https://access.redhat.com/security/cve/cve-2012-4420

Third Party Advisory, VDB Entry x_refsource_misc

https://exchange.xforce.ibmcloud.com/vulnerabilities/78693

Mailing List, Third Party Advisory x_refsource_misc

http://www.openwall.com/lists/oss-security/2012/09/13/3

Third Party Advisory, VDB Entry x_refsource_misc

http://www.securityfocus.com/bid/55538

Mailing List, Third Party Advisory x_refsource_misc

https://www.openwall.com/lists/oss-security/2012/09/12/4

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857

Scores

CVSS v3 7.5

EPSS 0.0451

EPSS Percentile 90.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-200

Status published

Products (1)

oracle/jdk 7.0

Published Dec 26, 2019

Tracked Since Feb 18, 2026