{"schema_version":1,"title":"org.lz4:lz4-java (Maven) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in org.lz4:lz4-java (Maven): 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59949, was published on 18 August 2026.","url":"https://junglewise.ai/threats/technologies/org-lz4-lz4-java","json_url":"https://junglewise.ai/threats/technologies/org-lz4-lz4-java.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/org-lz4-lz4-java","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2026-59949","cvss":6.5,"epss":0.0047,"slug":"cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni","title":"yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object","severity":"medium","exploited":false,"published_at":"2026-08-18T15:16:56.16+00:00","url":"https://junglewise.ai/threats/cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni"},{"cve":"CVE-2025-66566","cvss":4,"epss":0.0061,"slug":"cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient","title":"yawkat LZ4 Java provides LZ4 compression for Java. Insufficient clearing of the output buffer in Java-based decompressor implementations in","severity":"medium","exploited":false,"published_at":"2025-12-05T18:15:59.58+00:00","url":"https://junglewise.ai/threats/cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient"},{"cve":"CVE-2025-12183","cvss":4,"epss":0.007,"slug":"cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which","title":"LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS","severity":"medium","exploited":false,"published_at":"2025-11-28T18:30:23+00:00","url":"https://junglewise.ai/threats/cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"com.liferay.portal:release.portal.bom (Maven)","slug":"com-liferay-portal-release-portal-bom","vulnerabilities":92,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom"},{"name":"org.keycloak:keycloak-services (Maven)","slug":"org-keycloak-keycloak-services","vulnerabilities":76,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services"},{"name":"org.keycloak:keycloak-core (Maven)","slug":"org-keycloak-keycloak-core","vulnerabilities":56,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core"},{"name":"org.apache.struts:struts2-core (Maven)","slug":"org-apache-struts-struts2-core","vulnerabilities":40,"url":"https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core"},{"name":"net.mingsoft:ms-mcms (Maven)","slug":"net-mingsoft-ms-mcms","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/net-mingsoft-ms-mcms"},{"name":"com.thoughtworks.xstream:xstream (Maven)","slug":"com-thoughtworks-xstream-xstream","vulnerabilities":37,"url":"https://junglewise.ai/threats/technologies/com-thoughtworks-xstream-xstream"},{"name":"com.jfinal:jfinal (Maven)","slug":"com-jfinal-jfinal","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/com-jfinal-jfinal"},{"name":"org.jenkins-ci.plugins:script-security (Maven)","slug":"org-jenkins-ci-plugins-script-security","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/org-jenkins-ci-plugins-script-security"},{"name":"org.apache.tomcat:tomcat (Maven)","slug":"org-apache-tomcat-tomcat","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat"},{"name":"com.liferay.portal:release.dxp.bom (Maven)","slug":"com-liferay-portal-release-dxp-bom","vulnerabilities":34,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom"},{"name":"org.opencms:opencms-core (Maven)","slug":"org-opencms-opencms-core","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/org-opencms-opencms-core"},{"name":"org.keycloak:keycloak-parent (Maven)","slug":"org-keycloak-keycloak-parent","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-parent"}],"technology":{"hub":true,"name":"org.lz4:lz4-java (Maven)","slug":"org-lz4-lz4-java","vendor":{"name":"Maven","slug":"maven","url":"https://junglewise.ai/threats/vendors/maven"},"aliases":[],"homepage":"https://lz4.github.io/lz4-java/","repo_url":"https://github.com/lz4/lz4-java","description":"lz4-java is a Java implementation of the LZ4 compression algorithm distributed via Maven.","url":"https://junglewise.ai/threats/technologies/org-lz4-lz4-java"},"most_severe":[{"cve":"CVE-2026-59949","cvss":6.5,"epss":0.0047,"slug":"cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni","title":"yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.1, JNI-backed XXHash implementations fail to validate the byte array object","severity":"medium","exploited":false,"published_at":"2026-08-18T15:16:56.16+00:00","url":"https://junglewise.ai/threats/cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni"},{"cve":"CVE-2025-12183","cvss":4,"epss":0.007,"slug":"cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which","title":"LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS","severity":"medium","exploited":false,"published_at":"2025-11-28T18:30:23+00:00","url":"https://junglewise.ai/threats/cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which"},{"cve":"CVE-2025-66566","cvss":4,"epss":0.0061,"slug":"cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient","title":"yawkat LZ4 Java provides LZ4 compression for Java. Insufficient clearing of the output buffer in Java-based decompressor implementations in","severity":"medium","exploited":false,"published_at":"2025-12-05T18:15:59.58+00:00","url":"https://junglewise.ai/threats/cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}