Resource exhaustion in Oracle Graalvm
CVE-2026-21945
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…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.001 (25.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oracle Graalvm — versions 21.3.16
- Oracle Graalvm_for_jdk — versions 17.0.17, 21.0.9
- Oracle Jdk — versions 1.8.0, 11.0.29, 17.0.17
- Oracle Jre — versions 1.8.0, 11.0.29, 17.0.17
- Oracle Corporation Graalvm Enterprise Edition — versions 21.3.16
- Oracle Corporation Graalvm For Jdk — versions 17.0.17, 21.0.9
- Oracle Corporation Java Se — versions 8u471, 8u471-b50, 8u471-perf
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2026-21945?
- CVE-2026-21945 is a high-severity vulnerability in Oracle Graalvm, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-01-20.
- How severe is CVE-2026-21945?
- High severity. CVSS v3 base score is 7.5 out of 10.