Red Hat alert RHSA-2026:64805-01 (acl)

An update for acl is now available for Red Hat Enterprise Linux 10.0 Extended
Update Support.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Access Control Lists (ACLs) are used to define fine-grained discretionary
access rights for files and directories. The acl packages contain the getfacl
and setfacl utilities needed for manipulating access control lists.

Security Fix(es):

* acl: Symlink traversal privilege escalation via libacl functions
(CVE-2026-54369)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_64805.json