CVE-2015-3246: redhat enterprise_linux, opensuse opensuse, libuser_project libuser

CVSS 7.4 (high) · listed as exploited by CISA since 2026-08-26 · published 2015-08-11

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.

Affected products (NVD): redhat enterprise_linux, opensuse opensuse, libuser_project libuser

Fixed in (NVD): 0.56.13-8, 0.60-7

Weakness: CWE-264, CWE-367

Source: NVD CVE-2015-3246

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html
• http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html
• http://rhn.redhat.com/errata/RHSA-2015-1482.html
• http://rhn.redhat.com/errata/RHSA-2015-1483.html
• http://www.securityfocus.com/bid/76022
• http://www.securitytracker.com/id/1033040
• https://access.redhat.com/articles/1537873
• https://www.exploit-db.com/exploits/44633/
• https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.