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RHSA Security Advisory: libcap Privilege Escalation via TOCTOU Race Condition (CVE-2026-4878)

Security AdvisoryRHSA-2026:20595UnknownRed Hat
Affected:
  • libcap in Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4
  • libcap in Red Hat Enterprise Linux Server - AUS 9.4
  • libcap in Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4
  • libcap in Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4
  • libcap in Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4
Referenced CVEs: CVE-2026-4878 · 6.7
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