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Fencer Intel
critical 9.8

CVE-2017-1376 json

A flaw in the IBM J9 VM class verifier allows untrusted code to disable the security manager and elevate its privileges.

published 2017-08-28 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-10392

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

A flaw in the IBM J9 VM class verifier allows untrusted code to disable the security manager and elevate its privileges. IBM X-Force ID: 126873.

Patch / fix

  • java-1.7.1-ibm RHEL 6 EXTRAS 1:1.7.1.4.10-1jpp.2.el6_9
  • java-1.7.1-ibm RHEL 7 EXTRAS 1:1.7.1.4.10-1jpp.3.el7
  • java-1.7.1-ibm-src RHEL 6 EXTRAS 1:1.7.1.4.10-1jpp.2.el6_9
  • java-1.7.1-ibm-src RHEL 7 EXTRAS 1:1.7.1.4.10-1jpp.3.el7
  • java-1.7.1-ibm-demo RHEL 6 EXTRAS 1:1.7.1.4.10-1jpp.2.el6_9
  • java-1.7.1-ibm-demo RHEL 7 EXTRAS 1:1.7.1.4.10-1jpp.3.el7
  • java-1.7.1-ibm-jdbc RHEL 6 EXTRAS 1:1.7.1.4.10-1jpp.2.el6_9
  • java-1.7.1-ibm-jdbc RHEL 7 EXTRAS 1:1.7.1.4.10-1jpp.3.el7

red hat advisories RHSA-2017:2481RHSA-2017:2469

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-1376 updated cvss 9.8

JDK: class verifier allowing Security Manager bypass

  • Red Hat Satellite 5 java-1.7.1-ibm
    affected: no fix available
  • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.7.1-ibm 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.3.el7, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.3.el7, +4 more Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.7.1-ibm 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm-demo 1.8.0.4.10-1jpp.3.el7 Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.7.1-ibm 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.2.el6_9, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.2.el6_9, +4 more Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.7.1-ibm 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm-demo 1.8.0.4.10-1jpp.1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.7.1-ibm 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.2.el6_9, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.2.el6_9, +4 more Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.7.1-ibm 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.3.el7, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.3.el7, +4 more
    +2 more products
    Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.7.1-ibm 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.2.el6_9, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.1.el6_9, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.2.el6_9, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.2.el6_9, +4 more Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.7.1-ibm 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-src 1.7.1.4.10-1jpp.3.el7, java-1.8.0-ibm-src 1.8.0.4.10-1jpp.3.el7, java-1.7.1-ibm-demo 1.7.1.4.10-1jpp.3.el7, java-1.7.1-ibm-jdbc 1.7.1.4.10-1jpp.3.el7, +4 more
    fixed: vendor fix RHSA-2017:2481
  • Red Hat Enterprise Linux 6 java-1.6.0-ibm, java-1.6.0-ibm-src, java-1.6.0-ibm-demo, java-1.6.0-ibm-jdbc, java-1.6.0-ibm-plugin, java-1.6.0-ibm-javacomm
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.63% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • IBM Operations Analytics Predictive Insights

Classification

Weakness
  • CWE-829 Inclusion of Functionality from Untrusted Control Sphere

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.