Bug 2557780 (CVE-2026-91463) - CVE-2026-91463 openjdk: Enhance krb5 client (Oracle CPU 2026-10)
Summary: CVE-2026-91463 openjdk: Enhance krb5 client (Oracle CPU 2026-10)
Keywords:
Status: NEW
Alias: CVE-2026-91463
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-21 00:29 UTC by OSIDB Bzimport
Modified: 2026-10-29 21:39 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 20:18:04 UTC
Red Hat Product Errata RHSA-2026:88348 0 None None None 2026-10-29 14:10:33 UTC
Red Hat Product Errata RHSA-2026:88350 0 None None None 2026-10-29 12:26:00 UTC
Red Hat Product Errata RHSA-2026:88351 0 None None None 2026-10-29 12:26:50 UTC
Red Hat Product Errata RHSA-2026:88352 0 None None None 2026-10-27 16:30:13 UTC
Red Hat Product Errata RHSA-2026:88353 0 None None None 2026-10-27 19:53:52 UTC
Red Hat Product Errata RHSA-2026:89916 0 None None None 2026-10-27 19:53:20 UTC
Red Hat Product Errata RHSA-2026:90504 0 None None None 2026-10-29 21:39:26 UTC
Red Hat Product Errata RHSA-2026:90912 0 None None None 2026-10-29 14:11:03 UTC

Description OSIDB Bzimport 2026-10-21 00:29:11 UTC 
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS).  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 network access via multiple protocols 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 access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N).
Comment 1 Jon Orris 2026-10-27 16:30:12 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 19:53:19 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 19:53:51 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 20:18:03 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 12:25:58 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 12:26:49 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 14:10:32 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 14:11:02 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 21:39:25 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
Note You need to log in before you can comment on or make changes to this bug.