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TI-2026-77473 Aliases CVE-2026-91417GHSA-23j9-f78g-rw77

Uncontrolled resource consumption in Oracle Java SE CORBA component

Priority LOW 30CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

Oracle Java SE versions 8u503 and 8u503-perf and Oracle GraalVM Enterprise Edition 21.3.19.1.1 are affected. A flaw in the CORBA component causes uncontrolled resource consumption (CWE-400). An unauthenticated remote attacker with network access can exploit it over multiple protocols by supplying data to the component's APIs, such as through a web service, to cause a partial denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: CORBA). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle Java SE8u503; 8u503-perf—No fix listedCNA
OracleOracle GraalVM Enterprise Edition21.3.19.1.1—No fix listedCNA
  • Oracle Java SE VendorOracle Affected 8u503; 8u503-perf Fixed in — No fix listed CNA
  • Oracle GraalVM Enterprise Edition VendorOracle Affected 21.3.19.1.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Oracle Java SE. The sources list no fixed version for Oracle GraalVM Enterprise Edition. Red Hat lists no fix planned for Red Hat Enterprise Linux 6 and no fix available for Red Hat Enterprise Linux 7, 8, 9 and Red Hat build of OpenJDK 1.8.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle GraalVM Enterprise Edition, Oracle Java SE — oracle.com/security-alerts/cpuoct2026.html

    51 records Highest priority Priority LOW 51 LOW

    Other records, highest priority first

    • TI-2026-77455 Improper access control in Oracle Java SE and GraalVMPriority LOW 35
    • TI-2026-77105 Improper access control in Oracle Java SE networking componentPriority LOW 35
    • TI-2026-77828 Improper access control in Oracle Java SEPriority LOW 34

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat build of OpenJDK 1.8AffectedNo fix yet
Not affected: 8 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images
  • Red Hat build of OpenJDK 11 ELS
  • Red Hat build of OpenJDK 17
  • Red Hat build of OpenJDK 21
  • Red Hat build of OpenJDK 25

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91417
  2. 2026-10-21 Alias added: GHSA-23j9-f78g-rw77
  3. 2026-10-21 Affected versions changed · Red Hat
  4. 2026-10-21 CVSS score added · Red Hat
  5. 2026-10-22 Affected versions changed · Red Hat
  6. 2026-10-22 Weakness changed · CISA ADP
  7. 2026-10-22 CISA SSVC decision points changed
  8. 2026-10-23 Affected versions changed · Red Hat

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
See all 14200 →

Sources