# Yawkat LZ4 Java vulnerabilities

Source: https://junglewise.ai/threats/technologies/yawkat-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/yawkat-lz4-java.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Yawkat LZ4 Java: 0 in the last 7 days and 4 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 4 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 4
- All time: 4 (0 critical, 0 exploited in the wild)

## About Yawkat LZ4 Java

Java implementation of the LZ4 compression algorithm library.

## Latest Yawkat LZ4 Java 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)

## Most severe Yawkat LZ4 Java 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-2026-106453: 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)

## Vulnerabilities per week

Nothing in the last four weeks, down from 4 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 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 | 4 | 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 |

## 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, "Yawkat LZ4 Java vulnerabilities", https://junglewise.ai/threats/technologies/yawkat-lz4-java, 9 November 2026.