CVE-2025-66566

Description

yawkat LZ4 Java provides LZ4 compression for Java. Insufficient clearing of the output buffer in Java-based decompressor implementations in lz4-java 1.10.0 and earlier allows remote attackers to read previous buffer contents via crafted compressed input. In applications where the output buffer is reused without being cleared, this may lead to disclosure of sensitive data. JNI-based implementations are not affected. This vulnerability is fixed in 1.10.1.

PUBLISHED Reserved 2025-12-04 | Published 2025-12-05 | Updated 2025-12-05 | Assigner GitHub_M

Problem types

CWE-201: Insertion of Sensitive Information Into Sent Data

Product status

References

github.com/...4-java/security/advisories/GHSA-cmp6-m4wj-q63q

github.com/...ommit/33d180cb70c4d93c80fb0dc3ab3002f457e93840

cve.org (CVE-2025-66566)

nvd.nist.gov (CVE-2025-66566)