CVE-2025-12183
CVE-2025-12183 is a high-severity vulnerability with a CVSS 4.0 base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 4.0 base score 8.8)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-199880
- Weakness: CWE-125
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-12183?
- 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.
- How severe is CVE-2025-12183?
- CVE-2025-12183 has a CVSS 4.0 base score of 8.8, rated high severity.
- Is CVE-2025-12183 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-12183?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-12183 have an EU (EUVD) identifier?
- Yes. CVE-2025-12183 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199880.
- When was CVE-2025-12183 published?
- CVE-2025-12183 was published on 2025-11-28 and last updated on 2026-06-17.
References
- https://github.com/yawkat/lz4-java/releases/tag/v1.8.1
- https://www.sonatype.com/security-advisories/cve-2025-12183
- http://www.openwall.com/lists/oss-security/2025/12/01/5
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