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RHSA-2026:1823
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Source
https://access.redhat.com/errata/RHSA-2026:1823
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:1823.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHSA-2026:1823
Upstream
CVE-2025-66566
Published
2026-02-04T10:19:04Z
Modified
2026-02-05T10:09:42Z
Severity
7.5 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Calculator
Summary
Red Hat Security Advisory: JMC bug fix and enhancement update
Details
References
https://access.redhat.com/errata/RHSA-2026:1823
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2419500
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1823.json
https://access.redhat.com/security/cve/CVE-2025-66566
https://www.cve.org/CVERecord?id=CVE-2025-66566
https://nvd.nist.gov/vuln/detail/CVE-2025-66566
https://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840
https://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q
Affected packages
Red Hat:rhel_eus:9.4::crb
/
jmc
Package
Name
jmc
Purl
pkg:rpm/redhat/jmc
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:8.2.0-17.el9_4.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:1823.json"
RHSA-2026:1823 - OSV