CVE-2026-59949 yawkat LZ4 Java: JVM Crash via Null Byte Array in lz4-java Streaming XXHash JNI (StreamingXXHash32JNI / StreamingXXHash64JNI)

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance.hash32.hash, XXHashFactory.nativeInstance.hash64.hash,...

CVE-2026-59949

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance.hash32.hash, XXHashFactory.nativeInstance.hash64.hash,...

EUVD-2026-60947

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance.hash32.hash, XXHashFactory.nativeInstance.hash64.hash,...

CVE-2026-59949

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance.hash32.hash, XXHashFactory.nativeInstance.hash64.hash,...

CVE-2026-59949 yawkat LZ4 Java: JVM Crash via Null Byte Array in lz4-java Streaming XXHash JNI (StreamingXXHash32JNI / StreamingXXHash64JNI)

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object and the off and len arguments in XXHashFactory.nativeInstance.hash32.hash, XXHashFactory.nativeInstance.hash64.hash,...

CVE-2026-59949

In lz4-java prior to 1.11.1, JNI-backed XXHash methods (hash32, hash64, streaming hash update) pass unvalidated byte arrays and off/len ranges to native code, enabling null-array or out-of-bounds reads that crash the JVM. Upgrade to 1.11.1. No in-the-wild exploitation reported. https://github.com...

netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted LZ4 compressed data stream. This can cause the Lz4FrameDecoder to allocate a large amount of memory up to 32 MB per block before...

Security Bulletin: Vulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0)

Summary Vulnerabilities exists in IBM Cloud Pak for Data System CPDS 1.0 addressed in 11.3.1.2-IF1 Vulnerability Details CVEID:CVE-2025-71176 DESCRIPTION: pytest through 9.0.2 on UNIX relies on directories with the /tmp/pytest-of-user name pattern, which allows local users to cause a denial of...

Malicious code in @keyv/compress-lz4 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cd7fac64e01bf267ca0ee1c3234782fd17c24865d3be3e0cbfa26b65fe83c1a3 Package is an LZ4 compression adapter for the keyv key-value store. The dist bundles dist/index.cjs and dist/index.mjs contain Buffer.from...,...

MAL-2026-12011 Malicious code in @keyv/compress-lz4 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cd7fac64e01bf267ca0ee1c3234782fd17c24865d3be3e0cbfa26b65fe83c1a3 Package is an LZ4 compression adapter for the keyv key-value store. The dist bundles dist/index.cjs and dist/index.mjs contain Buffer.from...,...

Security Bulletin: IBM Storage Protect Server is affected by a vulnerability in the netty-codec library that could allow a remote attacker to trigger excessive memory allocation by sending specially crafted LZ4-compressed data. (CVE-2026-42583).

Summary IBM Storage Protect Server uses the netty-codec library in certain components. A vulnerability in netty could allow an attacker to trigger excessive memory allocation by sending specially crafted LZ4-compressed data. By providing a small malicious payload that advertises a large...

ai.catboost:catboost-spark_2.11 (>=0.25-rc1, <=0.25-rc3), ai.catboost:catboost-spark_2.12 (>=0.25-rc1, <=0.25-rc3) +15400 more potentially affected by CVE-2026-59949 via org.lz4:lz4-java (>=1.4, <=1.8.1)

org.lz4:lz4-java MAVEN version =1.4, =0.25-rc1, =0.25-rc1, =0.25, =0.25, =0.25, =0.25, =1.0.1, =1.0.6, =1.0.6, =1.1, =1.1.1, =1.2, =1.2, =1.2.3, =1.2.3, =1.2.10 and more Source cves: CVE-2026-59949 Source advisory: SNYK:JAVA-ORGLZ4-18313067...

LZ4 Java: Native XXHash implementations can crash the JVM when passed invalid byte array ranges

Summary Insufficient validation of byte array arguments in JNI-based XXHash implementations in lz4-java 1.11.0 and earlier allows callers to crash the JVM by passing an invalid array reference or invalid range to native XXHash methods. This affects applications where an attacker can influence the...

GHSA-XX22-P4CH-683R LZ4 Java: Native XXHash implementations can crash the JVM when passed invalid byte array ranges

Summary Insufficient validation of byte array arguments in JNI-based XXHash implementations in lz4-java 1.11.0 and earlier allows callers to crash the JVM by passing an invalid array reference or invalid range to native XXHash methods. This affects applications where an attacker can influence the...

NULL Pointer Dereference

Overview org.lz4:lz4-java is a Java port of the LZ4 compression algorithm and the xxHash hashing algorithm. Affected versions of this package are vulnerable to NULL Pointer Dereference and out-of-bounds read in the native XXHash implementations reached through XXHashFactory.nativeInstance, where...

PT-2026-64441

Summary Insufficient validation of byte array arguments in JNI-based XXHash implementations in lz4-java 1.11.0 and earlier allows callers to crash the JVM by passing an invalid array reference or invalid range to native XXHash methods. This affects applications where an attacker can influence the...

netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted LZ4 compressed data stream. This can cause the Lz4FrameDecoder to allocate a large amount of memory up to 32 MB per block before...

Security Bulletin: Multiple vulnerabilities in IBM Disconnected Log Collector

Summary Multiple vulnerable packages were addressed in IBM Disconnected Log Collector version 2.0.1 Vulnerability Details CVEID:CVE-2025-66566 DESCRIPTION: yawkat LZ4 Java provides LZ4 compression for Java. Insufficient clearing of the output buffer in Java-based decompressor implementations in...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: bonding: fix use-after-free due to enslave fail after slave array update CVE-2026-23171 In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it ...

Security Bulletin: IBM Data Server Driver for JDBC and SQLJ is affected by a vulnerability in org.lz4 1.8.0 (CVE-2025-12183)

Summary IBM Data Server Driver for JDBC and SQLJ is affected by a vulnerability in org.lz4 1.8.0 CVE-2025-12183 Vulnerability Details CVEID:CVE-2025-12183 DESCRIPTION: Out-of-bounds memory operations in org.lz4:lz4-java 1.8.0 and earlier allow remote attackers to cause denial of service and read...