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TI-2026-17645 Aliases CVE-2026-21945GHSA-r2mr-x4h2-9chr

Uncontrolled resource consumption in Oracle Java SE

Priority MEDIUM 41CWE-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 · High
Fix status
Partial Red Hat: 34 fixed, 3 without a fix

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

Summary

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable 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 of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00992 62nd percentileScored 2026-11-07
Fix Partial Red Hat: 17 advisoriesRed Hat: 34 fixed, 3 without a fix

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 SE8u471; 8u471-b50; 8u471-perf; 11.0.29; 17.0.17; 21.0.9; 25.0.1—No fix listedCNA
OracleOracle GraalVM for JDK17.0.17; 21.0.9—No fix listedCNA
OracleOracle GraalVM Enterprise Edition21.3.16—No fix listedCNA
  • Oracle Java SE VendorOracle Affected 8u471; 8u471-b50; 8u471-perf; 11.0.29; 17.0.17; 21.0.9; 25.0.1 Fixed in — No fix listed CNA
  • Oracle GraalVM for JDK VendorOracle Affected 17.0.17; 21.0.9 Fixed in — No fix listed CNA
  • Oracle GraalVM Enterprise Edition VendorOracle Affected 21.3.16 Fixed in — No fix listed CNA

CPE configurations NVD · 17

CPEVersionsRoleVendor
cpe:2.3:a:oracle:graalvm:21.3.16:*:*:*:enterprise:*:*:*21.3.16VulnerableOracle
cpe:2.3:a:oracle:graalvm_for_jdk:17.0.17:*:*:*:*:*:*:*17.0.17VulnerableOracle
cpe:2.3:a:oracle:graalvm_for_jdk:21.0.9:*:*:*:*:*:*:*21.0.9VulnerableOracle
cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:-:*:*:*1.8.0 update471VulnerableOracle
cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:enterprise_performance_pack:*:*:*1.8.0 update471VulnerableOracle
cpe:2.3:a:oracle:jdk:1.8.0:update471_b50:*:*:-:*:*:*1.8.0 update471_b50VulnerableOracle
cpe:2.3:a:oracle:jdk:11.0.29:*:*:*:*:*:*:*11.0.29VulnerableOracle
cpe:2.3:a:oracle:jdk:17.0.17:*:*:*:*:*:*:*17.0.17VulnerableOracle
cpe:2.3:a:oracle:jdk:21.0.9:*:*:*:*:*:*:*21.0.9VulnerableOracle
cpe:2.3:a:oracle:jdk:25.0.1:*:*:*:*:*:*:*25.0.1VulnerableOracle
  • cpe:2.3:a:oracle:graalvm:21.3.16:*:*:*:enterprise:*:*:* Versions 21.3.16 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:graalvm_for_jdk:17.0.17:*:*:*:*:*:*:* Versions 17.0.17 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:graalvm_for_jdk:21.0.9:*:*:*:*:*:*:* Versions 21.0.9 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:-:*:*:* Versions 1.8.0 update471 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:1.8.0:update471:*:*:enterprise_performance_pack:*:*:* Versions 1.8.0 update471 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:1.8.0:update471_b50:*:*:-:*:*:* Versions 1.8.0 update471_b50 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:11.0.29:*:*:*:*:*:*:* Versions 11.0.29 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:17.0.17:*:*:*:*:*:*:* Versions 17.0.17 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:21.0.9:*:*:*:*:*:*:* Versions 21.0.9 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jdk:25.0.1:*:*:*:*:*:*:* Versions 25.0.1 Vulnerable ·Oracle
Show 7 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:-:*:*:*1.8.0 update471VulnerableOracle
cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:enterprise_performance_pack:*:*:*1.8.0 update471VulnerableOracle
cpe:2.3:a:oracle:jre:1.8.0:update471_b50:*:*:-:*:*:*1.8.0 update471_b50VulnerableOracle
cpe:2.3:a:oracle:jre:11.0.29:*:*:*:*:*:*:*11.0.29VulnerableOracle
cpe:2.3:a:oracle:jre:17.0.17:*:*:*:*:*:*:*17.0.17VulnerableOracle
cpe:2.3:a:oracle:jre:21.0.9:*:*:*:*:*:*:*21.0.9VulnerableOracle
cpe:2.3:a:oracle:jre:25.0.1:*:*:*:*:*:*:*25.0.1VulnerableOracle
  • cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:-:*:*:* Versions 1.8.0 update471 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:1.8.0:update471:*:*:enterprise_performance_pack:*:*:* Versions 1.8.0 update471 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:1.8.0:update471_b50:*:*:-:*:*:* Versions 1.8.0 update471_b50 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:11.0.29:*:*:*:*:*:*:* Versions 11.0.29 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:17.0.17:*:*:*:*:*:*:* Versions 17.0.17 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:21.0.9:*:*:*:*:*:*:* Versions 21.0.9 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:jre:25.0.1:*:*:*:*:*:*:* Versions 25.0.1 Vulnerable ·Oracle

Remediation

Red Hat 17 advisories

  • RHSA-2026:4832 Released 2026-03-17 · Red Hat rating Important
    java-1.8.0-ibm security update
    • Red Hat Enterprise Linux Supplementary (v. 8) java-1.8.0-ibm-1:1.8.0.8.60-1.el8_10, java-1.8.0-ibm-demo-1:1.8.0.8.60-1.el8_10, java-1.8.0-ibm-devel-1:1.8.0.8.60-1.el8_10 +5
  • RHSA-2026:1606 Released 2026-02-02 · Red Hat rating Important
    OpenJDK 25.0.2 Security Update for Windows Builds
    • Temurin Build of OpenJDK 25.0.2
  • RHSA-2026:0932 Released 2026-01-26 · Red Hat rating Important
    java-1.8.0-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) java-1.8.0-openjdk-demo-fastdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-slowdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-fastdebug-1:1.8.0.482.b08-1.el9 +7
    • Red Hat CodeReady Linux Builder EUS (v.9.6) java-1.8.0-openjdk-demo-fastdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-slowdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-fastdebug-1:1.8.0.482.b08-1.el9 +7
    • Red Hat Enterprise Linux AppStream (v. 8) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream (v. 9) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el9 +4
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el9 +4
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el9 +4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el9 +4
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el9 +4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el8 +5
    • Red Hat Enterprise Linux CRB (v. 8) java-1.8.0-openjdk-accessibility-fastdebug-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-accessibility-slowdebug-1:1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo-fastdebug-1:1.8.0.482.b08-1.el8 +9
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-1.8.0-openjdk-demo-fastdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-demo-slowdebug-1:1.8.0.482.b08-1.el9, java-1.8.0-openjdk-devel-fastdebug-1:1.8.0.482.b08-1.el9 +7
Show 14 more Red Hat advisories
  • RHSA-2026:0933 Released 2026-01-26 · Red Hat rating Important
    java-25-openjdk security update
    • Red Hat Enterprise Linux AppStream (v. 10) java-25-openjdk-1:25.0.2.0.10-1.el10, java-25-openjdk-crypto-adapter-1:25.0.2.0.10-1.el10, java-25-openjdk-demo-1:25.0.2.0.10-1.el10 +7
    • Red Hat Enterprise Linux AppStream (v. 9) java-25-openjdk-1:25.0.2.0.10-1.el9, java-25-openjdk-crypto-adapter-1:25.0.2.0.10-1.el9, java-25-openjdk-demo-1:25.0.2.0.10-1.el9 +7
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) java-25-openjdk-crypto-adapter-fastdebug-1:25.0.2.0.10-1.el10, java-25-openjdk-crypto-adapter-slowdebug-1:25.0.2.0.10-1.el10, java-25-openjdk-demo-fastdebug-1:25.0.2.0.10-1.el10 +13
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-25-openjdk-crypto-adapter-fastdebug-1:25.0.2.0.10-1.el9, java-25-openjdk-crypto-adapter-slowdebug-1:25.0.2.0.10-1.el9, java-25-openjdk-demo-fastdebug-1:25.0.2.0.10-1.el9 +13
  • RHSA-2026:0931 Released 2026-01-26 · Red Hat rating Important
    java-1.8.0-openjdk security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-headless-1:1.8.0.482.b08-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-javadoc-1:1.8.0.482.b08-1.el7_9 +2
  • RHSA-2026:0901 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 25.0.2 Security Update for Portable Linux Builds
    • Red Hat Build of OpenJDK 25.0.2
  • RHSA-2026:0900 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 21.0.10 Security Update for Windows Builds
    • Red Hat Build of OpenJDK 21.0.10
  • RHSA-2026:0899 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 21.0.10 Security Update for Portable Linux Builds
    • Red Hat Build of OpenJDK 21.0.10
  • RHSA-2026:0898 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 17.0.18 Security Update for Windows Builds
    • Red Hat Build of OpenJDK 17.0.18
  • RHSA-2026:0897 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 17.0.18 Security Update for Portable Linux Builds
    • Red Hat Build of OpenJDK 17.0.18
  • RHSA-2026:0895 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 8u482 Security Update for Portable Linux Builds
    • Red Hat Build of OpenJDK 8u482
  • RHSA-2026:0896 Released 2026-01-26 · Red Hat rating Important
    OpenJDK 8u482 Windows Security Update
    • Red Hat Build of OpenJDK 8u482
  • RHSA-2026:0928 Released 2026-01-22 · Red Hat rating Important
    java-21-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el9 +11
    • Red Hat CodeReady Linux Builder EUS (v.9.6) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el9 +11
    • Red Hat Enterprise Linux AppStream (v. 10) java-21-openjdk-1:21.0.10.0.7-1.el10, java-21-openjdk-demo-1:21.0.10.0.7-1.el10, java-21-openjdk-devel-1:21.0.10.0.7-1.el10 +6
    • Red Hat Enterprise Linux AppStream (v. 8) java-21-openjdk-1:21.0.10.0.7-1.el8, java-21-openjdk-demo-1:21.0.10.0.7-1.el8, java-21-openjdk-devel-1:21.0.10.0.7-1.el8 +6
    • Red Hat Enterprise Linux AppStream (v. 9) java-21-openjdk-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-1:21.0.10.0.7-1.el9 +6
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) java-21-openjdk-1:21.0.10.0.7-1.el10, java-21-openjdk-demo-1:21.0.10.0.7-1.el10, java-21-openjdk-devel-1:21.0.10.0.7-1.el10 +6
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) java-21-openjdk-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-1:21.0.10.0.7-1.el9 +6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) java-21-openjdk-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-1:21.0.10.0.7-1.el9 +6
    • Red Hat Enterprise Linux CRB (v. 8) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el8, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el8, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el8 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el10, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el10, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el10 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el9, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el9 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) java-21-openjdk-demo-fastdebug-1:21.0.10.0.7-1.el10, java-21-openjdk-demo-slowdebug-1:21.0.10.0.7-1.el10, java-21-openjdk-devel-fastdebug-1:21.0.10.0.7-1.el10 +11
  • RHSA-2026:0927 Released 2026-01-22 · Red Hat rating Important
    java-17-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) java-17-openjdk-demo-fastdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-slowdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-fastdebug-1:17.0.18.0.8-1.el9 +11
    • Red Hat CodeReady Linux Builder EUS (v.9.6) java-17-openjdk-demo-fastdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-slowdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-fastdebug-1:17.0.18.0.8-1.el9 +11
    • Red Hat Enterprise Linux AppStream (v. 8) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream (v. 9) java-17-openjdk-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-1:17.0.18.0.8-1.el9 +6
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) java-17-openjdk-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-1:17.0.18.0.8-1.el9 +6
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) java-17-openjdk-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-1:17.0.18.0.8-1.el9 +6
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) java-17-openjdk-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-1:17.0.18.0.8-1.el9 +6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) java-17-openjdk-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-1:17.0.18.0.8-1.el9 +6
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-fastdebug-1:17.0.18.0.8-1.el8 +20
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) java-17-openjdk-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-1:17.0.18.0.8-1.el8 +6
    • Red Hat Enterprise Linux CRB (v. 8) java-17-openjdk-demo-fastdebug-1:17.0.18.0.8-1.el8, java-17-openjdk-demo-slowdebug-1:17.0.18.0.8-1.el8, java-17-openjdk-devel-fastdebug-1:17.0.18.0.8-1.el8 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-17-openjdk-demo-fastdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-demo-slowdebug-1:17.0.18.0.8-1.el9, java-17-openjdk-devel-fastdebug-1:17.0.18.0.8-1.el9 +11
  • RHSA-2026:0847 Released 2026-01-21 · Red Hat rating Important
    java-11-openjdk ELS security update
    • Red Hat OpenJDK 11 ELS for RHEL 7 java-11-openjdk-1:11.0.30.0.7-1.el7_9, java-11-openjdk-debug-1:11.0.30.0.7-1.el7_9, java-11-openjdk-demo-1:11.0.30.0.7-1.el7_9 +15
    • Red Hat OpenJDK 11 ELS for RHEL 8 java-11-openjdk-1:11.0.30.0.7-1.el8, java-11-openjdk-demo-1:11.0.30.0.7-1.el8, java-11-openjdk-demo-fastdebug-1:11.0.30.0.7-1.el8 +20
    • Red Hat OpenJDK 11 ELS for RHEL 9 java-11-openjdk-1:11.0.30.0.7-1.el9, java-11-openjdk-demo-1:11.0.30.0.7-1.el9, java-11-openjdk-demo-fastdebug-1:11.0.30.0.7-1.el9 +20
  • RHSA-2026:0849 Released 2026-01-21 · Red Hat rating Moderate
    OpenJDK 11.0.30 ELS Security Update for Windows Builds
    • OPENJDK ELS 11.0.30
  • RHSA-2026:0848 Released 2026-01-21 · Red Hat rating Important
    OpenJDK 11.0.30 ELS Security Update for Portable Linux Builds
    • OPENJDK ELS 11.0.30

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/cpujan2026.html

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-17632 Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise…Priority LOW 33
    • TI-2026-17633 Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise…Priority LOW 27
    • TI-2026-17625 Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise…Priority LOW 22
    Show all 5 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
OPENJDK ELS 11.0.30Fixed RHSA-2026:0848
Red Hat Build of OpenJDK 17.0.18Fixed RHSA-2026:0897
Red Hat Build of OpenJDK 21.0.10Fixed RHSA-2026:0899
Red Hat Build of OpenJDK 25.0.2Fixed RHSA-2026:0901
Red Hat Build of OpenJDK 8u482Fixed RHSA-2026:0895
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:0928, RHSA-2026:0933
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932, RHSA-2026:0933
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2026:0932
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:0928
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:0927, RHSA-2026:0932
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:0928, RHSA-2026:0933
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:0927, RHSA-2026:0928, RHSA-2026:0932, RHSA-2026:0933
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:0928
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:0931
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:0931
Red Hat Enterprise Linux Supplementary (v. 8)Fixed RHSA-2026:4832
Red Hat OpenJDK 11 ELS for RHEL 7Fixed RHSA-2026:0847
Red Hat OpenJDK 11 ELS for RHEL 8Fixed RHSA-2026:0847
Red Hat OpenJDK 11 ELS for RHEL 9Fixed RHSA-2026:0847
Temurin Build of OpenJDK 25.0.2Fixed RHSA-2026:1606

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21945
  2. 2026-10-03 Alias added: GHSA-r2mr-x4h2-9chr
  3. 2026-10-09 Fix available: RHSA-2026:0848 · Red Hat
  4. 2026-10-09 Fix available: RHSA-2026:0849 · Red Hat
  5. 2026-10-09 Fix available: RHSA-2026:1606 · Red Hat
  6. 2026-10-09 Fix available: OPENJDK ELS 11.0.30, Temurin Build of OpenJDK 25.0.2 · Red Hat

References

Advisory 1

  • TI-2023-22374 Improper check for unusual conditions in Apple macOS KEVCVSS 3.1HIGH 8.8
  • TI-2022-15084 Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets CVSS 3.1HIGH 7.5
  • TI-2020-06291 Prototype pollution in y18n CVSS 3.1CRITICAL 9.8
  • TI-2022-05834 Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle… CVSS 3.1HIGH 7.5
  • TI-2019-11704 HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed CVSS 3.1CRITICAL 9.8
  • TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
See all 196 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences