CVE-2026-59949: NULL Pointer Dereference

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,...

Elasticsearch 8.19.10, 9.1.10, 9.2.4 Security Update (ESA-2026-07)

Elasticsearch yawkat LZ4 Java - CVE-2025-66566 ESA-2026-07 An Information Disclosure vulnerability CVE-2025-66566 exists in the yawkat LZ4 Java library used by Elasticsearch that allows an attacker to read previous buffer contents through specially crafted compressed input sent via the transport...