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Medium5.9Vendor: LowRed Hat Linux

Medium [CVE-2025-15281] wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

This medium-severity Red Hat Linux advisory covers CVE-2025-15281 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 1.

CVE-2025-15281 Published Jan 20, 2026
CVE-2025-15281
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory. Red Hat rates this low (CVSS 5.9).

Weakness: CWE-908. Affected package(s): insights-proxy/insights-proxy-container-rhel9:1773685509, rhui5/rhua-rhel9:1773670137, glibc, discovery/discovery-server-rhel9:1773273243, discovery/discovery-ui-rhel9:1773273070, glibc-main.

Resolved in Red Hat advisory RHSA-2026:18139 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.

Affected versions
  • insights-proxy/insights-proxy-container-rhel9:1773685509
  • rhui5/rhua-rhel9:1773670137
  • glibc-0:2.34-231.el9_7.10
  • discovery/discovery-server-rhel9:1773273243
  • discovery/discovery-ui-rhel9:1773273070
  • glibc-main-2.42-11.1.hum1
  • costmanagement/costmanagement-metrics-rhel9-operator:1770836349
  • glibc-0:2.28-251.el8_10.31
  • rhui5/cds-rhel9:1773670073
  • rhui5/haproxy-rhel9:1773672059
  • rhceph/rhceph-8-rhel9:1774002867
  • rhui5/installer-rhel9:1773668803

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:18139

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:18139 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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