CVE-2015-3246
Red Hat Libuser Race Condition Vulnerability
libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Deadline for federal agencies: 2026-09-09.
5 articles across 4 outlets · first covered Aug 26, 2026 · latest Aug 28, 2026
Coverage timeline
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CISA adds critical Red Hat, SQL Server, Citrix flaws to KEV list.securityaffairs.com · Aug 28, 2026
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uBlock Origin v1.74.0 Chrome release to be delisted amid CVEssecurityonline.info · Aug 27, 2026
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WeedHack malware steals data from over 116,000 Minecraft gamerssecurityonline.info · Aug 27, 2026
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CISA KEV Catalogue Spotlights Red Hat libuser Flaw CVE-2015-3246www.cisa.gov · Aug 27, 2026
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CISA Adds CVE-2015-3246 to Known Exploited Vulnerabilities Cataloguecisa.gov · Aug 26, 2026