CVE-2012-5076: Oracle Java SE Sandbox Bypass Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-ca250a384043, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name: Oracle Java SE Sandbox Bypass Vulnerability
Vendor: Oracle
Product: Java SE
Added to the catalog: 2022-03-28
Due date for US federal agencies: 2022-04-18
Catalog version: 2026.10.30

The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

https://nvd.nist.gov/vuln/detail/CVE-2012-5076

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status: Analyzed
Published: 2012-10-16T21:55:02.073
Last modified: 2026-06-16T23:46:10.790
Weaknesses: NVD-CWE-Other, CWE-284

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allows remote attackers to affect confidentiality, integrity, and availability, related to JAX-WS.

Metric	Score	Severity	Vector	Scored by
CVSS 3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.0	10	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	[email protected] (Primary)

References

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00016.html (Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1386.html (Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1391.html (Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1467.html (Third Party Advisory)
http://secunia.com/advisories/51029 (Not Applicable)
http://secunia.com/advisories/51326 (Not Applicable)
http://secunia.com/advisories/51390 (Not Applicable)
http://security.gentoo.org/glsa/glsa-201406-32.xml (Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html (Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16641 (Broken Link)
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00016.html (Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1386.html (Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1391.html (Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1467.html (Third Party Advisory)
http://secunia.com/advisories/51029 (Not Applicable)
http://secunia.com/advisories/51326 (Not Applicable)
http://secunia.com/advisories/51390 (Not Applicable)
http://security.gentoo.org/glsa/glsa-201406-32.xml (Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html (Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16641 (Broken Link)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-5076 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:28.906Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2012-5076

CVE record

Assigner: oracle
State: PUBLISHED
Published: 2012-10-16T21:29:00.000Z
Updated: 2025-10-22T00:05:46.105Z
Problem types: n/a

References

SUSE-SU-2012:1398
GLSA-201406-32
RHSA-2012:1386
RHSA-2012:1391
51029
51390
RHSA-2012:1467
oval:org.mitre.oval:def:16641
http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html
51326

Read on 2026-11-03T00:24:19.711Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2012/5xxx/CVE-2012-5076.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

CWE-284: Improper Access Control

Harden: Software Update (acts on Software)
Harden: Agent Authentication (acts on User Account)
Harden: Change Default Password (acts on User Account)
Harden: Trusted Library (acts on Subroutine)
Restore: Restore Software (acts on Software)
Harden: Domain Logic Validation (acts on Subroutine)
Model: Software Inventory (acts on Software)
Restore: Unlock Account (acts on User Account)
Restore: Restore User Account Access (acts on User Account)
Evict: Account Locking (acts on User Account)
Isolate: Application-based Process Isolation (acts on Subroutine)
Harden: Variable Initialization (acts on Subroutine)
Harden: Credential Scrubbing (acts on Subroutine)
Model: Asset Vulnerability Enumeration (acts on Software)
Isolate: User Account Permissions (acts on User Account)
Model: Access Modeling (acts on User Account)

D3FEND ontology version 1.6.0.

Read on 2026-11-02T23:55:41.179Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-284.json

MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/

Sources and licences

CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
CC0 1.0 Universal
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CVE Program Terms of Use ("CVE Usage" licence)
MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT

Cite this page

Dragons Eye Ransomware Tracker, "CVE-2012-5076: Oracle Java SE Sandbox Bypass Vulnerability",
entity page, dataset version ref-ca250a384043, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2012-5076 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-16T23:46:10.790.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-22T00:05:46.105Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.

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