HIGHVulnerability
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CISA KEV: Red Hat Libuser — Red Hat Libuser Race Condition Vulnerability

·Source: CISA KEV

Updated:

Executive Summary

Red Hat libuser contains a race condition vulnerability that allows authenticated local users to corrupt the /etc/passwd file to cause a denial of service or privilege escalation.

Analysis

Red Hat libuser contains a race condition vulnerability that allows authenticated local users to corrupt the /etc/passwd file to cause a denial of service or privilege escalation. Added to CISA Known Exploited Vulnerabilities catalog on 2026-08-26. Remediation due: 2026-09-09.

Indicators of Compromise (1)

CVE (1)
CVE-2015-3246
NVDMITRE CVE
Source Attribution

Originally published by CISA KEV on Aug 26, 2026. Verified by: CISA.

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