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OpenAdvisories
High RHSA-2026:71656 1 CVE

Red Hat Security Advisory: acl security update

Published Sep 25, 2026 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 12

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos acl 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos acl-debuginfo 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos acl-debugsource 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos libacl 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos libacl-debuginfo 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos libacl-devel 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos acl 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos acl-debuginfo 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos acl-debugsource 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos libacl 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos libacl-debuginfo 0:2.4.0-0.el8_8.1
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos libacl-devel 0:2.4.0-0.el8_8.1

Vulnerabilities 1

  • High 7.1
    CVE-2026-54369

    acl < 2.4.0 Symlink Traversal Privilege Escalation via libacl Functions

    acl before version 2.4.0 contains a symlink traversal vulnerability in the libacl pathname-based functions acl_get_file(), acl_set_file(), acl_extended_file(), and acl_delete_def_file() that allows local attackers to escalate privileges by replacing any pathn…

    acl project acl acl acl Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2490277
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71656.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-54369
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-54369
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-54369