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CVE-2025-12183

org.lz4:lz4-java - Out-of-Bounds Memory Access

HIGH
8.8
CVSS Score
Published: November 28, 2025 at 03:52 PM UTC
Updated: June 17, 2026 at 08:31 AM UTC
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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

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.

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Source: cverecord
https://sites.google.com/sonatype.com/vulnerabilities/cve-2025-12183
Patch
Source: cverecord
https://github.com/yawkat/lz4-java/releases/tag/v1.8.1
Third Party Advisory
Source: cverecord
https://www.sonatype.com/security-advisories/cve-2025-12183
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/12/01/5

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHSonatype
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125

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