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High RHSA-2026:0752 1 CVE

Red Hat Security Advisory: jmc security update

Published Jan 19, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::crb jmc 0:8.2.0-18.el9_7.2

Vulnerabilities 1

  • High 8.2
    CVE-2025-66566

    yawkat LZ4 Java has a possible information leak in Java safe decompressor

    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 a…

    yawkat lz4-java zipkin spark-4.0-scala-2.13 Debian Ubuntu Wolfi Maven

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419500
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0752.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-66566
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-66566
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-66566
  • article
    https://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840
  • article
    https://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q