CVE-2026-47027
published 2026-07-21CVE-2026-47027: Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11…
PriorityP429medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.29%
21.4th percentile
Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. 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 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).
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| oracle | graalvm | — | — |
| oracle | graalvm_for_jdk | — | — |
| oracle | graalvm_for_jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jdk | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle | jre | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
| oracle_corporation | oracle_java_se | — | — |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
vendor_redhat5.3MEDIUM
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VulDB
Oracle Java SE up to 26.0.1 Libraries resource consumption (Nessus ID 329234)
vuldb·2026-07-24·CVSS 5.3
CVE-2026-47027 [MEDIUM] Oracle Java SE up to 26.0.1 Libraries resource consumption (Nessus ID 329234)
A vulnerability labeled as problematic has been found in Oracle Java SE up to 26.0.1. Affected by this issue is some unknown functionality of the component Libraries. Executing a manipulation can lead to resource consumption.
This vulnerability appears as CVE-2026-47027. The attack may be performed from remote. There is no available exploit.
GHSA
Vulnerability in Oracle Java SE (component: Libraries).
ghsa_unreviewed·2026-07-22
CVE-2026-47027 [MEDIUM] Vulnerability in Oracle Java SE (component: Libraries).
Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. 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
Red Hat
openjdk: OpenJDK: Enhance Jar file processing (Oracle CPU 2026-07)
vendor_redhat·2026-07-21·CVSS 5.3
CVE-2026-47027 [MEDIUM] CWE-400 openjdk: OpenJDK: Enhance Jar file processing (Oracle CPU 2026-07)
openjdk: OpenJDK: Enhance Jar file processing (Oracle CPU 2026-07)
No description is available for this CVE.
Package: java-11-openjdk (Red Hat build of OpenJDK 11 ELS) - Affected
Package: java-11-openjdk-portable (Red Hat build of OpenJDK 11 ELS) - Affected
Package: java-11-openjdk-windows (Red Hat build of OpenJDK 11 ELS) - Affected
Package: java-17-openjdk-portable (Red Hat build of OpenJDK 17) - Affected
Package: java-17-openjdk-windows (Red Hat build of OpenJDK 17) - Affected
Package: java-1.8.0-openjdk-portable (Red Hat build of OpenJDK 1.8) - Affected
Package: java-1.8.0-openjdk-windows (Red Hat build of OpenJDK 1.8) - Affected
Package: java-21-openjdk-portable (Red Hat build of OpenJDK 21) - Affected
Package: java-21-openjdk-windows (Red Hat build of OpenJDK 21) - Affected
No detection rules found.
No public exploits indexed.
2026-07-21
Published