Bug 2557007 (CVE-2026-91397) - CVE-2026-91397 openjdk: Enhance diagnostic sessions (Oracle CPU 2026-10)
Summary: CVE-2026-91397 openjdk: Enhance diagnostic sessions (Oracle CPU 2026-10)
Keywords:
Status: NEW
Alias: CVE-2026-91397
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-20 23:00 UTC by OSIDB Bzimport
Modified: 2026-10-31 22:37 UTC (History)
8 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:88347 0 None None None 2026-10-27 20:18:50 UTC
Red Hat Product Errata RHSA-2026:88348 0 None None None 2026-10-29 14:09:40 UTC
Red Hat Product Errata RHSA-2026:88349 0 None None None 2026-10-30 00:16:13 UTC
Red Hat Product Errata RHSA-2026:88350 0 None None None 2026-10-29 12:25:22 UTC
Red Hat Product Errata RHSA-2026:88351 0 None None None 2026-10-29 12:26:17 UTC
Red Hat Product Errata RHSA-2026:88352 0 None None None 2026-10-27 16:29:32 UTC
Red Hat Product Errata RHSA-2026:88353 0 None None None 2026-10-27 19:54:09 UTC
Red Hat Product Errata RHSA-2026:89916 0 None None None 2026-10-27 19:52:48 UTC
Red Hat Product Errata RHSA-2026:90500 0 None None None 2026-10-31 22:37:58 UTC
Red Hat Product Errata RHSA-2026:90504 0 None None None 2026-10-29 21:38:48 UTC
Red Hat Product Errata RHSA-2026:90912 0 None None None 2026-10-29 14:10:46 UTC

Description OSIDB Bzimport 2026-10-20 23:00:16 UTC 
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Serviceability).  Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and  21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.6 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L).
Comment 1 Jon Orris 2026-10-27 16:29:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8
  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:88352 https://access.redhat.com/errata/RHSA-2026:88352
Comment 2 Jon Orris 2026-10-27 19:52:47 UTC 
This issue has been addressed in the following products:

  Red Hat Build of OpenJDK 17.0.20.1

Via RHSA-2026:89916 https://access.redhat.com/errata/RHSA-2026:89916
Comment 3 Jon Orris 2026-10-27 19:54:07 UTC 
This issue has been addressed in the following products:

  Red Hat Build of OpenJDK 17.0.21

Via RHSA-2026:88353 https://access.redhat.com/errata/RHSA-2026:88353
Comment 4 Jon Orris 2026-10-27 20:18:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9
  Red Hat Enterprise Linux 10

Via RHSA-2026:88347 https://access.redhat.com/errata/RHSA-2026:88347
Comment 5 Jon Orris 2026-10-29 12:25:21 UTC 
This issue has been addressed in the following products:

  Red Hat Build of OpenJDK 21.0.12.1

Via RHSA-2026:88350 https://access.redhat.com/errata/RHSA-2026:88350
Comment 6 Jon Orris 2026-10-29 12:26:16 UTC 
This issue has been addressed in the following products:

  Red Hat Build of OpenJDK 21.0.13

Via RHSA-2026:88351 https://access.redhat.com/errata/RHSA-2026:88351
Comment 7 Jon Orris 2026-10-29 14:09:39 UTC 
This issue has been addressed in the following products:

  Red Hat Build of OpenJDK 25.0.5

Via RHSA-2026:88348 https://access.redhat.com/errata/RHSA-2026:88348
Comment 8 Jon Orris 2026-10-29 14:10:45 UTC 
This issue has been addressed in the following products:

  Temurin Build of OpenJDK 25.0.4.1

Via RHSA-2026:90912 https://access.redhat.com/errata/RHSA-2026:90912
Comment 9 Jon Orris 2026-10-29 21:38:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support
  Red Hat Enterprise Linux 10

Via RHSA-2026:90504 https://access.redhat.com/errata/RHSA-2026:90504
Comment 10 Jon Orris 2026-10-30 00:16:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8
  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
  Red Hat Enterprise Linux 9.6 Extended Update Support
  Red Hat Enterprise Linux 9

Via RHSA-2026:88349 https://access.redhat.com/errata/RHSA-2026:88349
Comment 11 Jon Orris 2026-10-31 22:37:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
  Red Hat Enterprise Linux 9.6 Extended Update Support
  Red Hat Enterprise Linux 9

Via RHSA-2026:90500 https://access.redhat.com/errata/RHSA-2026:90500
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