CVE-2026-34282: oracle corporation oracle graalvm enterprise edition Uncontrolled Resource Consumption
Vulnerability summary
CVE-2026-34282 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in oracle corporation oracle graalvm enterprise edition. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 17 · Related 17Timeline
- 21-04-2026PublishedVulnerability first disclosed.
- 18-09-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. 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 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 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).
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected systems
Chainguard62 products
- openjdk-11-openj9< 0.59.0-r2
- openjdk-11-openj9-dbg< 0.59.0-r2
- openjdk-11-openj9-default-jdk< 0.59.0-r2
- openjdk-11-openj9-default-jvm< 0.59.0-r2
- openjdk-11-openj9-doc< 0.59.0-r2
Ubuntu13 products
- openjdk-13All versions (No fix recorded)
- openjdk-16All versions (No fix recorded)
- openjdk-17< 17.0.19+10-1~18.04.2 | < 17.0.19+10-1~20.04.2 | < 17.0.19+10-1~22.04.2 | < 17.0.19+10-1~24.04.2 | < 17.0.19+10-1~25.10.2 | < 17.0.19+10-1~26.04.2
- openjdk-17-crac< 17.0.19+10-0ubuntu1~25.10.1 | All versions (No fix recorded) | < 17.0.19+10-0ubuntu1~26.04.1
- openjdk-18All versions (No fix recorded)
Wolfi7 products
- openjdk-21< 21.0.11-r0
- openjdk-24All versions (No fix recorded)
- openjdk-24-default-jdkAll versions (No fix recorded)
- openjdk-24-default-jvmAll versions (No fix recorded)
- openjdk-24-demosAll versions (No fix recorded)
Oracle4 products
- graalvmEOL21.3.17
- graalvm_for_jdk17.0.18 | 21.0.10
- jdkEOL1.8.0:update481 | 11.0.30 | 17.0.18 | 21.0.10 | 25.0.2 | 26
- jreEOL1.8.0:update481 | 11.0.30 | 17.0.18 | 21.0.10 | 25.0.2 | 26
Debian3 products
- openjdk-17< 17.0.19+10-1~deb12u2
- openjdk-21< 21.0.11+10-1~deb13u2 | < 21.0.11+10-1
- openjdk-25< 25.0.3+9-2~deb13u1 | < 25.0.3+9-1
Oracle corporation3 products
- oracle graalvm enterprise edition21.3.17
- oracle graalvm for jdk17.0.18 | 21.0.10
- oracle java se8u481-perf | 11.0.30 | 17.0.18 | 21.0.10 | 25.0.2 | 26
6 vendors · 92 products
References
30 links- www.oracle.com/security-alerts/cpuapr2026.htmlVendor Advisory