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Vulnerability Intelligence

Vulnerability IntelligenceRHSA-2026:0752

RHSA-2026:0752

HIGH7.5

Red Hat Security Advisory: jmc security update

Published Jan 19, 2026

Modified Yesterday

Fix available

Affected Packages

jmc

RHEL 9

Fixed in:

0:8.2.0-18.el9_7.2

References

ADVISORYhttps://access.redhat.com/errata/RHSA-2026:0752 REPORThttps://access.redhat.com/security/cve/CVE-2025-66566 ARTICLEhttps://access.redhat.com/security/updates/classification/#important REPORThttps://bugzilla.redhat.com/show_bug.cgi?id=2419500 ARTICLEhttps://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840 ARTICLEhttps://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-66566 ADVISORYhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0752.json ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-66566

CVSS Analysis

CVSS v3.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Upstream

Ecosystems

Timeline

PublishedJan 19, 2026

ModifiedJan 19, 2026

RHSA-2026:0752 | Mondoo Vulnerability Intelligence