CVE-2026-59949

Summary

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.

Affected Software

Weaknesses

• CWE-476: CWE-476: NULL Pointer Dereference

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/yawkat/lz4-java/security/advisories/GHSA-xx22-p4ch-683r
• https://github.com/yawkat/lz4-java/commit/dbd86d04b8dd716e1c2bc626be54189997d910da
• https://github.com/yawkat/lz4-java/releases/tag/v1.11.1

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