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Medium severity6.5NVD Advisory· Published Aug 18, 2026· Updated Oct 22, 2026

CVE-2026-59949

CVE-2026-59949

Description

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(), XXHashFactory.nativeInstance().newStreamingHash32().update(), and XXHashFactory.nativeInstance().newStreamingHash64().update(), allowing null arrays or oversized ranges to reach native code, read outside the Java array, and fatally terminate the JVM. This issue is fixed in version 1.11.1.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
at.yawk.lz4:lz4-javaMaven
< 1.11.11.11.1
org.lz4:lz4-javaMaven
<= 1.8.1—

Affected products

196

Patches

Vulnerability mechanics

References

4

News mentions

0

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