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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: lz4-java: CVE-2025-12183 CVE-2025-66566
Message-ID: <176497149885.938893.11773382498095488469.reportbug@eldamar.lan>
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Date: Fri, 05 Dec 2025 22:51:38 +0100
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Source: lz4-java
Version: 1.8.0-3
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 1.8.0-4

Hi,

The following vulnerabilities were published for lz4-java.

CVE-2025-12183[0]:
| 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.


CVE-2025-66566[1]:
| 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.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-12183
    https://www.cve.org/CVERecord?id=CVE-2025-12183
    https://www.openwall.com/lists/oss-security/2025/12/01/5
[1] https://security-tracker.debian.org/tracker/CVE-2025-66566
    https://www.cve.org/CVERecord?id=CVE-2025-66566
    https://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q
    https://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840

Regards,
Salvatore
]