# at.yawk.lz4:lz4-java (Maven) vulnerabilities Source: https://junglewise.ai/threats/technologies/at-yawk-lz4-lz4-java Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/at-yawk-lz4-lz4-java.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in at.yawk.lz4:lz4-java (Maven): 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-106453, was published on 6 October 2026. Nothing in the last four weeks, down from 5 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 6 - All time: 8 (0 critical, 0 exploited in the wild) ## About at.yawk.lz4:lz4-java (Maven) A Java implementation of the LZ4 compression algorithm distributed via the Maven ecosystem. ## Latest at.yawk.lz4:lz4-java (Maven) vulnerabilities - [CVE-2026-106453: yawkat LZ4 Java heap exhaustion in decompressor](https://junglewise.ai/threats/cve-2026-106453-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2026-106452: yawkat LZ4 Java heap exhaustion in LZ4BlockInputStream](https://junglewise.ai/threats/cve-2026-106452-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2026-106451: yawkat LZ4 Java insecure temporary file handling in native library loading](https://junglewise.ai/threats/cve-2026-106451-yawkat-lz4-java-provides-lz4-compression-for-java-from-1-7-0) (high, CVSS 4, published 6 Oct 2026) - [CVE-2026-106450: yawkat LZ4 Java resource exhaustion in LZ4FrameInputStream](https://junglewise.ai/threats/cve-2026-106450-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2026-106449: yawkat LZ4 Java: LZ4BlockInputStream with stopOnEmptyBlock=false recurses once per empty block, causing StackOverflowError](https://junglewise.ai/threats/cve-2026-106449-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (low, CVSS 3.7, published 6 Oct 2026) - [CVE-2026-59949: lz4-java OOB read and NULL pointer dereference in XXHash JNI](https://junglewise.ai/threats/cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni) (medium, CVSS 6.5, published 18 Aug 2026) - [CVE-2025-66566: yawkat LZ4 Java has a possible information leak in Java safe decompressor](https://junglewise.ai/threats/cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient) (medium, CVSS 4, published 5 Dec 2025) - [CVE-2025-12183: LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS](https://junglewise.ai/threats/cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which) (medium, CVSS 4, published 28 Nov 2025) ## Most severe at.yawk.lz4:lz4-java (Maven) vulnerabilities - [CVE-2026-106451: yawkat LZ4 Java insecure temporary file handling in native library loading](https://junglewise.ai/threats/cve-2026-106451-yawkat-lz4-java-provides-lz4-compression-for-java-from-1-7-0) (high, CVSS 4, published 6 Oct 2026) - [CVE-2026-59949: lz4-java OOB read and NULL pointer dereference in XXHash JNI](https://junglewise.ai/threats/cve-2026-59949-lz4-java-oob-read-and-null-pointer-dereference-in-xxhash-jni) (medium, CVSS 6.5, published 18 Aug 2026) - [CVE-2026-106453: yawkat LZ4 Java heap exhaustion in decompressor](https://junglewise.ai/threats/cve-2026-106453-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2026-106452: yawkat LZ4 Java heap exhaustion in LZ4BlockInputStream](https://junglewise.ai/threats/cve-2026-106452-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2026-106450: yawkat LZ4 Java resource exhaustion in LZ4FrameInputStream](https://junglewise.ai/threats/cve-2026-106450-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (medium, CVSS 5.3, published 6 Oct 2026) - [CVE-2025-12183: LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS](https://junglewise.ai/threats/cve-2025-12183-lz4-java-compression-has-out-of-bounds-memory-operations-which) (medium, CVSS 4, published 28 Nov 2025) - [CVE-2025-66566: yawkat LZ4 Java has a possible information leak in Java safe decompressor](https://junglewise.ai/threats/cve-2025-66566-yawkat-lz4-java-provides-lz4-compression-for-java-insufficient) (medium, CVSS 4, published 5 Dec 2025) - [CVE-2026-106449: yawkat LZ4 Java: LZ4BlockInputStream with stopOnEmptyBlock=false recurses once per empty block, causing StackOverflowError](https://junglewise.ai/threats/cve-2026-106449-yawkat-lz4-java-provides-lz4-compression-for-java-prior-to-1-11) (low, CVSS 3.7, published 6 Oct 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 5 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 5 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Maven technologies - [org.jenkins-ci.main:jenkins-core (Maven)](https://junglewise.ai/threats/technologies/org-jenkins-ci-main-jenkins-core): 259 vulnerabilities - [org.apache.tomcat:tomcat (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat): 169 vulnerabilities - [com.liferay.portal:release.portal.bom (Maven)](https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom): 159 vulnerabilities - [com.liferay.portal:release.dxp.bom (Maven)](https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom): 125 vulnerabilities - [org.keycloak:keycloak-services (Maven)](https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services): 122 vulnerabilities - [com.fasterxml.jackson.core:jackson-databind (Maven)](https://junglewise.ai/threats/technologies/com-fasterxml-jackson-core-jackson-databind): 86 vulnerabilities - [org.apache.tomcat.embed:tomcat-embed-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-embed-tomcat-embed-core): 83 vulnerabilities - [org.apache.struts:struts2-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core): 60 vulnerabilities - [org.keycloak:keycloak-core (Maven)](https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core): 57 vulnerabilities - [org.xwiki.platform:xwiki-platform-oldcore (Maven)](https://junglewise.ai/threats/technologies/org-xwiki-platform-xwiki-platform-oldcore): 46 vulnerabilities - [org.apache.tomcat:tomcat-catalina (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat-catalina): 44 vulnerabilities - [org.elasticsearch:elasticsearch (Maven)](https://junglewise.ai/threats/technologies/org-elasticsearch-elasticsearch): 41 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "at.yawk.lz4:lz4-java (Maven) vulnerabilities", https://junglewise.ai/threats/technologies/at-yawk-lz4-lz4-java, 9 November 2026.