Information disclosure in Java-1.7.0-Openjdk
CVE-2012-4420
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.
Vulnerability class: Information Disclosure
EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Java-1.7.0-openjdk — versions 1.7.0_04 to 1.7.0_10
- Oracle Jdk — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2012-4420?
- CVE-2012-4420 is a high-severity vulnerability in Java-1.7.0-Openjdk, classified under Information Disclosure. CVSS score: 7.5/10. Published 2019-12-26.
- How severe is CVE-2012-4420?
- High severity. CVSS v3 base score is 7.5 out of 10.