All vulnerabilities

Servers and applications

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.

Severity
High 7.5
Published
26 Dec 2019
Last changed
16 Jun 2026
Added to UpHeron
22 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
JavaServers and applications · cpe:a:oracle:jdk
  • Version 7.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-4420
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-4420