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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…
High7.5EPSS 4.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 4.5% · top 8.5% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
java-1.7.0-openjdk · java-1.7.0-openjdk
- affected 1.7.0_04 to 1.7.0_10
References (7)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420 (opens in a new tab)x_refsource_MISCx_transferred
- https://access.redhat.com/security/cve/cve-2012-4420 (opens in a new tab)x_refsource_MISCx_transferred
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2012/09/13/3 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.securityfocus.com/bid/55538 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openwall.com/lists/oss-security/2012/09/12/4 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .