CVE-2012-4420

HIGH
7.5
CVSS Score
Published: December 26, 2019 at 08:46 PM UTC
Updated: June 16, 2026 at 11:44 PM UTC
2 products affected across 2 vendorsJDKJDK

Using java-1.7.0-openjdk by java-1.7.0-openjdk?

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Severity
HIGH7.5
Exploit prediction
EPSS 5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.7.0_04 ≤ v ≤ 1.7.0_10

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

x_refsource_MISCMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2012/09/13/3
x_refsource_MISCThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/55538
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857
x_refsource_MISCIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420
x_refsource_MISCThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/78693
x_refsource_MISCMailing ListThird Party Advisory
https://www.openwall.com/lists/oss-security/2012/09/12/4

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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