Status: KEV | Advisory ID: CVE-2015-3246
| CVE | CVE-2015-3246 |
| CVSS | CVSS 5.1 (Medium). |
| Affected products | Red Hat - duplicate Libuser, Red Hat Enterprise Linux, opensuse opensuse, libuser_project libuser, and Red Hat Libuser |
| Exploitation status | Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation. |
| KEV listing | Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-08-26. |
| Exploitation prediction (EPSS) | 9% probability of exploitation in the next 30 days (95% percentile) -- FIRST.org's EPSS model. |
| Federal remediation deadline | 2026-09-09 (CISA KEV, Binding Operational Directive). |
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.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2015-3246 |