CVE-2025-12183 — Vulnerability in at.yawk.lz4:lz4-java — CVE Details
HIGH
LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS
Published November 28, 2025Updated September 10, 2026Source: osv
Summary
Out-of-bounds memory operations in org.lz4:lz4-java 1.8.0 and earlier allow remote attackers to cause denial of service and read adjacent memory via untrusted compressed input.
This is fixed in a forked release: at.yawk.lz4:lz4-java version 1.8.1. The original project has been archived: https://github.com/lz4/lz4-java, and Sonatype has added a redirect from org.lz4:lz4-java:1.8.1 to the new group ID.
Advisory Timeline
- First published November 28, 2025 (318 days ago).
- Last revised September 10, 2026 — 285 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
Maven
Update at.yawk.lz4:lz4-java to 1.8.1 or later<!-- Update pom.xml dependency version to 1.8.1 for at.yawk.lz4:lz4-java -->
Maven
Update org.lz4:lz4-java to 1.8.1 or later<!-- Update pom.xml dependency version to 1.8.1 for org.lz4:lz4-java -->
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (4)
Affects 1 ecosystem: maven (4).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| at.yawk.lz4:lz4-java | maven | All versions | 1.8.1 |
| net.jpountz.lz4:lz4 | maven | 1.0.0, 1.1.0, 1.1.1, 1.1.2 (+2 more) | Range-based data available |
| org.lz4:lz4-pure-java | maven | 1.7.0, 1.8.0 | Range-based data available |
| org.lz4:lz4-java | maven | 1.4, 1.4.0, 1.4.1, 1.5.0 (+5 more) | 1.8.1 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-125Out-of-bounds ReadMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-12183ADVISORY
- https://github.com/yawkat/lz4-javaPACKAGE
- https://github.com/yawkat/lz4-java/releases/tag/v1.8.1WEB
- https://sites.google.com/sonatype.com/vulnerabilities/cve-2025-12183WEB
- https://www.sonatype.com/security-advisories/cve-2025-12183WEB
- https://www.openwall.com/lists/oss-security/2025/12/01/5WEB
Frequently Asked Questions
- What is CVE-2025-12183?
- LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS This vulnerability has been assigned a severity rating of HIGH (CVSS score: 9.1/10).
- How do I check if my project is affected by CVE-2025-12183?
- CVE-2025-12183 affects at.yawk.lz4:lz4-java, net.jpountz.lz4:lz4 and org.lz4:lz4-pure-java (and 1 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-12183 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.1
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-vqf4-7m7x-wgfc
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