JDK: java.lang.ClassLoder defineClass() code execution
Published Jan 11, 2013
9.3
HIGHCVSS 2.0
EPSS 6.86%
Description
Unspecified vulnerability in the JRE component in IBM Java 7 SR2 and earlier, Java 6.0.1 SR3 and earlier, Java 6 SR11 and earlier, Java 5 SR14 and earlier, and Java 142 SR13 FP13 and earlier; as used in IBM Rational Host On-Demand, Rational Change, Tivoli Monitoring, Smart Analytics System 5600, Tivoli Remote Control 5.1.2, WebSphere Real Time, Lotus Notes & Domino, Tivoli Storage Productivity Center, and Service Deliver Manager; and other products from other vendors such as Red Hat, allows remote attackers to execute arbitrary code via vectors related to "insecure use of the java.lang.ClassLoder defineClass() method."
Affected products
No data.
- ≥ 1.4.2 · ≤ 1.4.2.13.13
- ≥ 5.0.0.0 · ≤ 5.0.14.0
- ≥ 6.0.0.0 · ≤ 6.0.11.0
- ≥ 7.0.0.0 · ≤ 7.0.2.0
- 8.0
- 8.0.1
- 8.0.2
- 8.0.2.1
- 8.0.2.2
- 8.0.2.3
- 8.0.2.4
- 8.5.0
- 8.5.0.1
- 8.5.1
- 8.5.1.1
- 8.5.1.2
- 8.5.1.3
- 8.5.1.4
- 8.5.1.5
- 8.5.2.0
- 8.5.2.1
- 8.5.2.2
- 8.5.2.3
- 8.5.2.4
- 8.5.3.0
- 8.5.3.1
- 8.5.3.2
- 8.0
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.2.0
- 8.0.2.1
- 8.0.2.2
- 8.0.2.3
- 8.0.2.4
- 8.0.2.5
- 8.0.2.6
- 8.5
- 8.5.0.0
- 8.5.0.1
- 8.5.1
- 8.5.1.0
- 8.5.1.1
- 8.5.1.2
- 8.5.1.3
- 8.5.1.4
- 8.5.1.5
- 8.5.2.0
- 8.5.2.1
- 8.5.2.2
- 8.5.2.3
- 8.5.3
- 8.5.3.1
- 8.5.3.2
- 8.5.4
- 8.0.80407
- 8.0.80822
- 8.5.1.20100709-1631
- 8.0
- 8.0.1
- 8.0.1.2
- 8.0.1.3
- 8.5.0.0
- 8.5.0.1
- 8.5.0.2
- 8.5.1.1
- 8.5.1.2
- 8.5.1.3
- 8.5.2.1
- 8.5.3
- 8.5.3.1
- 8.5.3.2
- 8.5.3.3
- 8.5.3.3
- 4.7
- 5.1
- 5.2
- 5.3
- 1.6.0.12
- 8.0.8.0
- 9.0.8.0
- 10.0.9.0
- 10.0.10.0
- 11.0.3.0
- 11.0.4.0
- 11.0.5.0
- 11.0.5.1
- 11.0.6.0
- 11.0.6.1
- 7.2.1.0
- 7.2.2.0
- n/a
- 9.7
- 6.1.0
- 6.1.0.7
- 6.2.0
- 6.2.0.1
- 6.2.0.2
- 6.2.0.3
- 6.2.1
- 6.2.1.0
- 6.2.1.1
- 6.2.1.2
- 6.2.1.3
- 6.2.1.4
- 6.2.2
- 6.2.2.0
- 6.2.2.1
- 6.2.2.2
- 6.2.2.3
- 6.2.2.4
- 6.2.2.5
- 6.2.2.6
- 6.2.2.7
- 6.2.2.8
- 6.2.2.9
- 6.2.3
- 6.2.3.0
- 6.2.3.1
- 6.2.3.2
- 5.1.2
- 2.0
- 3.0
- n/a
- n/a
- n/a
- 7200
No data.
Red Hat Network Satellite Server v 5.4
java-1.6.0-ibm-1:1.6.0.14.0-1jpp.1.el5_9
Fixed · RHSA-2013:1455
Red Hat Network Satellite Server v 5.5
java-1.6.0-ibm-1:1.6.0.14.0-1jpp.1.el5_9
Fixed · RHSA-2013:1456
Supplementary for Red Hat Enterprise Linux 5
java-1.6.0-ibm-1:1.6.0.12.0-1jpp.1.el5_8
Fixed · RHSA-2012:1466
Supplementary for Red Hat Enterprise Linux 6
java-1.6.0-ibm-1:1.6.0.12.0-1jpp.1.el6_3
Fixed · RHSA-2012:1466
Supplementary for Red Hat Enterprise Linux 6
java-1.7.0-ibm-1:1.7.0.3.0-1jpp.2.el6_3
Fixed · RHSA-2012:1467
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Network Satellite Server v 5.4 | java-1.6.0-ibm-1:1.6.0.14.0-1jpp.1.el5_9 | Fixed | RHSA-2013:1455 |
| Red Hat Network Satellite Server v 5.5 | java-1.6.0-ibm-1:1.6.0.14.0-1jpp.1.el5_9 | Fixed | RHSA-2013:1456 |
| Supplementary for Red Hat Enterprise Linux 5 | java-1.6.0-ibm-1:1.6.0.12.0-1jpp.1.el5_8 | Fixed | RHSA-2012:1466 |
| Supplementary for Red Hat Enterprise Linux 6 | java-1.6.0-ibm-1:1.6.0.12.0-1jpp.1.el6_3 | Fixed | RHSA-2012:1466 |
| Supplementary for Red Hat Enterprise Linux 6 | java-1.7.0-ibm-1:1.7.0.3.0-1jpp.2.el6_3 | Fixed | RHSA-2012:1467 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.86% (0.06864) | 93.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.86% (0.06864) | 93.19th | v5 (v2026.06.15) |
| Dec 28, 2025 | 14.45% (0.14450) | 94.21th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.16% (0.13162) | 93.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.83% (0.28834) | 94.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.16% (0.13162) | 93.58th | v4 (v2025.03.14) |
| Jan 30, 2025 | 86.05% (0.86052) | 98.83th | v3 (v2023.03.01) |
| Dec 17, 2024 | 88.74% (0.88736) | 98.96th | v3 (v2023.03.01) |
| Dec 12, 2024 | 77.21% (0.77208) | 98.32th | v3 (v2023.03.01) |
| Feb 4, 2024 | 76.84% (0.76839) | 97.95th | v3 (v2023.03.01) |
| Sep 28, 2023 | 75.41% (0.75406) | 97.78th | v3 (v2023.03.01) |
| Jul 29, 2023 | 79.85% (0.79848) | 97.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 79.07% (0.79075) | 97.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.25% (0.12248) | 95.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.25% (0.12248) | 94.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.25% (0.12248) | 89.34th | v2 (v2022.01.01) |
No CWE recorded.
References (26)
- http://rhn.redhat.com/errata/RHSA-2012-1466.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1467.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1455.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1456.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://seclists.org/bugtraq/2012/Sep/38 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- http://secunia.com/advisories/51326 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51327 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51634 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1IV29687 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21615705 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21615800 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616490 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616594 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616616 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616617 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616652 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21616708 x_refsource_CONFIRMVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21621154 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/55495 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://xforce.iss.net/xforce/xfdb/78767
- https://access.redhat.com/security/cve/CVE-2012-4823 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=876389 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78767 vdb-entryx_refsource_XFVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2012-4823
- https://www-304.ibm.com/support/docview.wss?uid=swg21616546 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-4823
Change history (0)
No recorded changes yet.