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Vulnerabilities

Vulnerability · 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.

Published Nov 28, 2025 · catalog updated Dec 29, 2025 · Sonatype

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12183. EPSS is 0.75%. Act only if a listed version of Sonatype is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.75%
Remediation
Version ranges on file
Affected products
stated Sonatype · vendor Sonatype

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated Sonatype<= 1.8.0
  • vendor Sonatypeversion unspecified

How to fix CVE-2025-12183

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12183. EPSS is 0.75%. Act only if a listed version of Sonatype is installed.

Which versions are affected?

Compare what you have installed with Sonatype <= 1.8.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.75%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 28, 2025 · EUVD

    Detected

    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.

  2. Dec 29, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-12183

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12183

    30-day exploitation probability 0.75%

    first.org
  • EUVDVulnerability recordEUVD-2025-199880

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 27, 2026