ELSA-2026-0752: jmc security update

ELSA-2026-0752, released January 19, 2026, fixes 1 CVE in jmc (version 0:8.2.0-18.el9_7.2). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0065

51st percentile

Fixed package versions

Product	Release	Fixed in
jmc	ol 9	0:8.2.0-18.el9_7.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-66566	lz4-java: yawkat LZ4 Java provides LZ4 compression for Java	7.5	0.0065	None reported

Also fixes CVE-2025-66566

RLSA-2026:20568
jmc on rocky 9
ALSA-2026:20568
jmc on almalinux 9
RHSA-2026:20568
jmc on RHEL 9
DEBIAN-CVE-2025-66566
lz4-java on Debian 14

Vendor advisory

https://linux.oracle.com/errata/ELSA-2026-0752.html

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