Priority LOW 31
In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.
CVSS 4.0MEDIUM 6.9· Network · Low privileges · User interaction · EPSS 0.00534 · Published 2026-07-21 · Fixed in 0.60.0 CWE-758
Priority LOW 28
In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.
CVSS 4.0MEDIUM 5.8· Network · Low privileges · User interaction · EPSS 0.0043 · Published 2026-07-21 · Fixed in 0.60.0 CWE-124
Priority HIGH 77
In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00517 · Published 2026-05-05 · Fixed in 0.59 CWE-125
Priority LOW 38
In Eclipse OpenJ9 versions up to 0.51, when used with OpenJDK version 8 a stack based buffer overflow can be caused by modifying a file on disk that is read when the JVM starts.
CVSS 4.0HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00224 · Published 2025-05-09 · Fixed CWE-121
Priority LOW 24
In Eclipse OpenJ9 versions up to 0.47, the JNI function GetStringUTFLength may return an incorrect value which has wrapped around.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00414 · Published 2024-11-11 · No fix listed CWE-190
Priority LOW 31
In Eclipse OpenJ9 release versions prior to 0.44.0 and after 0.13.0, when running with JVM option -Xgc:concurrentScavenge, the sequence generated for System.arrayCopy on the IBM Z platform with hardware and software supp…
CVSS 3.1HIGH 7.3· Local · Low privileges · No interaction · EPSS 0.00207 · Published 2024-05-27 · Fixed in 0.44.0 CWE-125
Priority LOW 27
In Eclipse OpenJ9 before version 0.41.0, the JVM can be forced into an infinite busy hang on a spinlock or a segmentation fault if a shutdown signal (SIGTERM, SIGINT or SIGHUP) is received before the JVM has finished ini…
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00406 · Published 2023-11-15 · Partial fix · 0.41.0 CWE-364
Priority MEDIUM 40
In Eclipse Openj9 before version 0.38.0, in the implementation of the shared cache (which is enabled by default in OpenJ9 builds) the size of a string is not properly checked against the size of the buffer.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00422 · Published 2023-05-22 · No fix listed CWE-120
Priority LOW 30
In Eclipse Openj9 before version 0.35.0, interface calls can be inlined without a runtime type check.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00815 · Published 2022-10-24 · Fixed in 0.35.0 CWE-20
Priority LOW 26
In Eclipse Openj9 before version 0.32.0, Java 8 & 11 fail to throw the exception captured during bytecode verification when verification is triggered by a MethodHandle invocation, allowing unverified methods to be invoke…
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.01076 · Published 2022-04-27 · Fixed in 0.32.0 CWE-252
Priority MEDIUM 46
In Eclipse Openj9 before version 0.29.0, the JVM does not throw IllegalAccessError for MethodHandles that invoke inaccessible interface methods.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01824 · Published 2021-10-25 · Fixed in 0.29.0 CWE-250
Priority HIGH 68
In Eclipse Openj9 to version 0.25.0, usage of the jdk.internal.reflect.ConstantPool API causes the JVM in some cases to pre-resolve certain constant pool entries.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.01126 · Published 2021-04-21 · No fix listed CWE-909
Priority MEDIUM 45
In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01551 · Published 2021-01-21 · Fixed CWE-121
Priority LOW 27
In Eclipse OpenJ9 prior to version 0.21 on Power platforms, calling the System.arraycopy method with a length longer than the length of the source or destination array can, in certain specially crafted code patterns, cau…
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.01504 · Published 2020-07-15 · Partial fix CWE-843
Priority MEDIUM 43
From Eclipse OpenJ9 0.15 to 0.16, access to diagnostic operations such as causing a GC or creating a diagnostic file are permitted without any privilege checks.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.02066 · Published 2019-10-17 · Fixed CWE-285
Priority LOW 35
All builds of Eclipse OpenJ9 prior to 0.15 contain a bug where the loop versioner may fail to privatize a value that is pulled out of the loop by versioning - for example if there is a condition that is moved out of the…
CVSS 3.1HIGH 7.4· Network · No auth · No interaction · EPSS 0.01468 · Published 2019-07-30 · Fixed in 0.15.0 CWE-367
Priority MEDIUM 46
In Eclipse OpenJ9 prior to 0.15, the String.getBytes(int, int, byte[], int) method does not verify that the provided byte array is non-null nor that the provided index is in bounds when compiled by the JIT.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02098 · Published 2019-07-17 · Fixed in 0.15.0 CWE-787
Priority LOW 34
AIX builds of Eclipse OpenJ9 before 0.15.0 contain unused RPATHs which may facilitate code injection and privilege elevation by local users.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00394 · Published 2019-07-17 · Fixed in 0.15.0 CWE-264
Priority LOW 38
In Eclipse OpenJ9 prior to the 0.14.0 release, the Java bytecode verifier incorrectly allows a method to execute past the end of bytecode array causing crashes.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.02492 · Published 2019-04-19 · Fixed in 0.14.0 CWE-20
Priority MEDIUM 47
In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02332 · Published 2019-02-11 · Fixed CWE-111
Priority MEDIUM 47
In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02744 · Published 2019-02-11 · Fixed in 0.12.0 CWE-20
Priority MEDIUM 44
In OpenJDK + Eclipse OpenJ9 version 0.11.0 builds, the public jdk.crypto.jniprovider.NativeCrypto class contains public static natives which accept pointer values that are dereferenced in the native code.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01134 · Published 2019-01-31 · No fix listed CWE-822
Priority LOW 35
In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the abilit…
CVSS 3.0HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00494 · Published 2018-08-14 · Fixed CWE-419