org.lz4:lz4-java - Out-of-Bounds Memory Access
Priority MEDIUM 45CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Partial Red Hat: 2 fixed, 18 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00747 55th percentileScored 2026-11-07
Fix Partial at.yawk.lz4:lz4-java (Maven): 1.8.1org.lz4:lz4-java (Maven): 1.8.1Red Hat: 5 advisoriesRed Hat: 2 fixed, 18 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | org.lz4:lz4-java | 1.0.0 – 1.8.0 | — | No fix listed | CNA |
| — | org.lz4:lz4-pure-java | 1.0.0 – 1.8.0 | — | No fix listed | CNA |
| — | net.jpountz.lz4:lz4 | 1.0.0 – 1.8.0 | — | No fix listed | CNA |
| — | at.yawk.lz4:lz4-java (Maven) | before 1.8.1 | 1.8.1 | Patch available | GHSA-vqf4-7m7x-wgfc |
| — | org.lz4:lz4-java (Maven) | before 1.8.1 | 1.8.1 | Patch available | GHSA-vqf4-7m7x-wgfc |
| — | org.lz4:lz4-pure-java (Maven) | up to 1.8.0 | — | No fix listed | GHSA-vqf4-7m7x-wgfc |
| — | net.jpountz.lz4:lz4 (Maven) | up to 1.3.0 | — | No fix listed | GHSA-vqf4-7m7x-wgfc |
- org.lz4:lz4-java Vendor— Affected 1.0.0 – 1.8.0 Fixed in — No fix listed CNA
- org.lz4:lz4-pure-java Vendor— Affected 1.0.0 – 1.8.0 Fixed in — No fix listed CNA
- net.jpountz.lz4:lz4 Vendor— Affected 1.0.0 – 1.8.0 Fixed in — No fix listed CNA
- at.yawk.lz4:lz4-java (Maven) Vendor— Affected before 1.8.1 Fixed in 1.8.1 Patch available GHSA-vqf4-7m7x-wgfc
- org.lz4:lz4-java (Maven) Vendor— Affected before 1.8.1 Fixed in 1.8.1 Patch available GHSA-vqf4-7m7x-wgfc
- org.lz4:lz4-pure-java (Maven) Vendor— Affected up to 1.8.0 Fixed in — No fix listed GHSA-vqf4-7m7x-wgfc
- net.jpountz.lz4:lz4 (Maven) Vendor— Affected up to 1.3.0 Fixed in — No fix listed GHSA-vqf4-7m7x-wgfc
Remediation
- Fix · GHSA-vqf4-7m7x-wgfc at.yawk.lz4:lz4-java (Maven) Fixed in 1.8.1 Advisory →
- Fix · GHSA-vqf4-7m7x-wgfc org.lz4:lz4-java (Maven) Fixed in 1.8.1 Advisory →
Red Hat 5 advisories
- RHSA-2026:1870 Released 2026-02-04 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.4 security update
- Red Hat JBoss EAP 8.1 for RHEL 8 eap8-wildfly-8.1.4-2.GA_redhat_00005.1.el8eap, eap8-wildfly-java-jdk17-8.1.4-2.GA_redhat_00005.1.el8eap, eap8-wildfly-java-jdk21-8.1.4-2.GA_redhat_00005.1.el8eap +1
- RHSA-2026:1871 Released 2026-02-04 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.4 security update
- Red Hat JBoss EAP 8.1 for RHEL 9 eap8-wildfly-8.1.4-2.GA_redhat_00005.1.el9eap, eap8-wildfly-java-jdk17-8.1.4-2.GA_redhat_00005.1.el9eap, eap8-wildfly-java-jdk21-8.1.4-2.GA_redhat_00005.1.el9eap +1
- RHSA-2026:1872 Released 2026-02-04 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.4 security update
- Red Hat JBoss Enterprise Application Platform 8.1
Show 2 more Red Hat advisories
- RHSA-2026:0134 Released 2026-01-06 · Red Hat rating ImportantRed Hat build of Quarkus 3.27.1.SP1 security update
- Red Hat build of Quarkus 3.27.1.SP1
- RHSA-2026:0131 Released 2026-01-06 · Red Hat rating ImportantRed Hat build of Quarkus 3.20.4.SP1 security update
- Red Hat build of Quarkus 3.20.4.SP1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Cryostat 4 | Affected | No fix yet: Fix deferred |
| Logging Subsystem for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Red Hat AMQ Clients | Affected | No fix yet: Fix deferred |
| Red Hat Data Grid 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Web Server 6 | Affected | No fix yet: Fix deferred |
| Red Hat Process Automation 7 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel - HawtIO 4 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel 4 for Quarkus 3 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel for Spring Boot 4 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apicurio Registry 2 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apicurio Registry 3 | Affected | No fix yet: Fix deferred |
| Red Hat build of Debezium 2 | Affected | No fix yet: Fix deferred |
| Red Hat build of Debezium 3 | Affected | No fix yet: Fix deferred |
| streams for Apache Kafka 2 | Affected | No fix yet: Fix deferred |
| streams for Apache Kafka 3 | Affected | No fix yet: Fix deferred |
| Red Hat build of Quarkus 3.20.4.SP1 | Fixed | RHSA-2026:0131 |
| Red Hat build of Quarkus 3.27.1.SP1 | Fixed | RHSA-2026:0134 |
Not affected: 2 products
- Red Hat JBoss Enterprise Application Platform 7
- Red Hat JBoss Enterprise Application Platform 8
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12183
- 2026-10-03 Alias added: GHSA-vqf4-7m7x-wgfc
- 2026-10-06 Affected versions changed · Red Hat
References
Advisory 2
Sources
- CVE-2025-12183 · CVE Program
- CVE-2025-12183 · NVD
- FIRST EPSS
- GHSA-vqf4-7m7x-wgfc · GitHub Advisory Database · CC BY 4.0
- CVE-2025-12183 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences