RHSA-2026:20595 — Security Advisory

Red Hat Security Advisory: libcap security update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · May 26, 2026

Updated · October 15, 2026

Topic

An update for libcap is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

Description

Libcap is a library for getting and setting POSIX.1e (formerly POSIX 6) draft 15 capabilities.

Security Fix(es):

  • libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file() (CVE-2026-4878)

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.

Related CVEs

RHSA-2026:20595 — Red Hat Security Advisory: libcap security update | PulseLinux