Uncontrolled resource consumption in Oracle Java SE Sound component
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 29 fixed, 7 without a fix
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, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1 and 27, Oracle GraalVM for JDK 17.0.20.1 and 21.0.12.1, and Oracle GraalVM Enterprise Edition 21.3.19.1.1 are affected. Uncontrolled resource consumption (CWE-400) in the Sound component lets an unauthenticated remote attacker cause partial denial of service, but exploitation is hard and needs user interaction. The flaw matters mainly for clients running untrusted code in the Java sandbox.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Description from the CNA
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Sound). 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 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 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 3.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Oracle | Oracle Java SE | 8u503; 8u503-perf; 11.0.32.1; 17.0.20.1; 21.0.12.1; 25.0.4.1; 27 | — | No fix listed | CNA |
| Oracle | Oracle GraalVM for JDK | 17.0.20.1; 21.0.12.1 | — | No fix listed | CNA |
| Oracle | Oracle GraalVM Enterprise Edition | 21.3.19.1.1 | — | No fix listed | CNA |
- Oracle Java SE VendorOracle Affected 8u503; 8u503-perf; 11.0.32.1; 17.0.20.1; 21.0.12.1; 25.0.4.1; 27 Fixed in — No fix listed CNA
- Oracle GraalVM for JDK VendorOracle Affected 17.0.20.1; 21.0.12.1 Fixed in — No fix listed CNA
- Oracle GraalVM Enterprise Edition VendorOracle Affected 21.3.19.1.1 Fixed in — No fix listed CNA
Remediation
Red Hat fixes the flaw in Red Hat Build of OpenJDK 17.0.21, Red Hat Build of OpenJDK 21.0.13, Red Hat Build of OpenJDK 25.0.5 and OPENJDK ELS 11.0.33 through advisories RHSA-2026:90500, RHSA-2026:88350, RHSA-2026:88348 and RHSA-2026:94499. Red Hat has no fix available for Red Hat Enterprise Linux 7, 8, 9, 10, Red Hat Hardened Images and Red Hat build of OpenJDK 1.8, and no fix planned for Red Hat Enterprise Linux 6.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Red Hat 18 advisories
- RHSA-2026:94499 Released 2026-11-05 · Red Hat rating CriticalOpenJDK 11.0.33 ELS Security Update For Portable Linux Builds
- OPENJDK ELS 11.0.33
- RHSA-2026:95273 Released 2026-11-05 · Red Hat rating CriticalOpenJDK 11.0.33 ELS Security Update for Windows Builds
- OPENJDK ELS 11.0.33
- RHSA-2026:94520 Released 2026-11-05 · Red Hat rating ImportantJava 11 OpenJDK ELS Security Update
- Red Hat OpenJDK 11 ELS for RHEL 7 java-11-openjdk-1:11.0.33.0.10-1.el7_9, java-11-openjdk-debug-1:11.0.33.0.10-1.el7_9, java-11-openjdk-demo-1:11.0.33.0.10-1.el7_9 +15
- Red Hat OpenJDK 11 ELS for RHEL 8 java-11-openjdk-1:11.0.33.0.10-1.el8, java-11-openjdk-demo-1:11.0.33.0.10-1.el8, java-11-openjdk-demo-fastdebug-1:11.0.33.0.10-1.el8 +20
- Red Hat OpenJDK 11 ELS for RHEL 9 java-11-openjdk-1:11.0.33.0.10-1.el9, java-11-openjdk-demo-1:11.0.33.0.10-1.el9, java-11-openjdk-demo-fastdebug-1:11.0.33.0.10-1.el9 +20
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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 GraalVM for JDK, 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: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Hardened Images | Affected | No fix yet |
| Red Hat build of OpenJDK 1.8 | Affected | No fix yet |
| OPENJDK ELS 11.0.33 | Fixed | RHSA-2026:95273 |
| Red Hat Build of OpenJDK 17.0.20.1 | Fixed | RHSA-2026:89916 |
| Red Hat Build of OpenJDK 17.0.21 | Fixed | RHSA-2026:88353 |
| Red Hat Build of OpenJDK 21.0.12.1 | Fixed | RHSA-2026:88350 |
| Red Hat Build of OpenJDK 21.0.13 | Fixed | RHSA-2026:88351 |
| Red Hat Build of OpenJDK 25.0.5 | Fixed | RHSA-2026:88348 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:88349, RHSA-2026:90500 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:88347, RHSA-2026:90504 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:88349, RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:88347, RHSA-2026:88349, RHSA-2026:90500 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream E4S (v.8.8) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:90500 |
| Red Hat Enterprise Linux AppStream E4S (v.9.4) | Fixed | RHSA-2026:88349, RHSA-2026:90500 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:90504 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:88349, RHSA-2026:90500 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux AppStream TUS (v.8.8) | Fixed | RHSA-2026:88352 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:88349, RHSA-2026:88352 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:88347, RHSA-2026:90504 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:88347, RHSA-2026:88349, RHSA-2026:90500 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:90504 |
| Red Hat Hardened Images | Fixed | RHSA-2026:94069, RHSA-2026:94111, RHSA-2026:94403, RHSA-2026:94625 |
| Red Hat OpenJDK 11 ELS for RHEL 7 | Fixed | RHSA-2026:94520 |
| Red Hat OpenJDK 11 ELS for RHEL 8 | Fixed | RHSA-2026:94520 |
| Red Hat OpenJDK 11 ELS for RHEL 9 | Fixed | RHSA-2026:94520 |
| Temurin Build of OpenJDK 25.0.4.1 | Fixed | RHSA-2026:90912 |
Timeline
- 2026-10-21 Threatist record created from CVE-2026-91400
- 2026-10-21 Alias added: GHSA-52rv-2r96-ffhw
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score added · Red Hat
- 2026-10-23 CISA SSVC decision points changed
- 2026-10-29 Fix available: RHSA-2026:88353 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:88347 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:88352 · Red Hat
- 2026-10-29 Weakness changed · CISA ADP
- 2026-10-29 Fix available: RHSA-2026:88348 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:88351 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:88350 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:89916 · Red Hat
- 2026-10-29 Fix available: Red Hat Build of OpenJDK 17.0.20.1, Red Hat Build of OpenJDK 17.0.21, Red Hat Build of OpenJDK 21.0.12.1 +13 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:90912 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:90504 · Red Hat
- 2026-10-30 Fix available: Red Hat Build of OpenJDK 25.0.5, Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) +1 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:88349 · Red Hat
- 2026-10-30 Fix available: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream E4S (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.6) · Red Hat
- 2026-11-01 Fix available: RHSA-2026:90500 · Red Hat
- 2026-11-01 Fix available: Red Hat Enterprise Linux AppStream E4S (v.9.2) · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94069 · Red Hat
- 2026-11-03 Fix available: Red Hat Hardened Images · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94111 · Red Hat
- 2026-11-03 Affected versions changed · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94625 · Red Hat
- 2026-11-04 Affected versions changed · Red Hat
- 2026-11-05 Fix available: OpenJDK 21.0.13.0.9 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95273 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:94403 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:94520 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:94499 · Red Hat
- 2026-11-07 Fix available: OPENJDK ELS 11.0.33, Red Hat Build of OpenJDK 21.0.12.1, Red Hat Build of OpenJDK 21.0.13 +3 · Red Hat
References
Advisory 1
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- 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
Sources
- CVE-2026-91400 · CVE Program
- CVE-2026-91400 · NVD
- FIRST EPSS
- GHSA-52rv-2r96-ffhw · GitHub Advisory Database · CC BY 4.0
- CVE-2026-91400 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences