#VU121006 Out-of-bounds read in lz4-java - CVE-2025-12183
Published: January 7, 2026
Vulnerability identifier: #VU121006
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-12183
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
lz4-java
lz4-java
Software vendor:
jpountz (Adrien Grand)
jpountz (Adrien Grand)
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service attack.
The vulnerability exists due to a boundary condition. A remote attacker can pass specially crafted compressed input to the application, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.
Remediation
Install updates from vendor's website.