CVE-2015-3246

Actively exploited

CISA lists CVE-2015-3246 in its Known Exploited Vulnerabilities catalog, which means exploitation has been observed. The entry applies to Red Hat Libuser.

• 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.

Public exploit: Cataloged public exploit.

• Rapid7 Metasploit: Libuser roothelper Privilege Escalation (2026-09-23 21:40:29.350562+00)

  Rapid7 catalogs an exploit module for this CVE. Module availability does not establish exploitation in the wild or applicability to your environment.

• Exploit-DB: Libuser Library - Multiple Vulnerabilities (2026-09-23 21:40:27.335989+00)

  Exploit-DB lists a public exploit or proof of concept for this CVE. SecurityAlert has not executed it; this is not evidence of attacks against your systems.

• Exploit-DB: Libuser - 'roothelper' Local Privilege Escalation (Metasploit) (2026-09-23 21:40:27.335989+00)

  Exploit-DB lists a public exploit or proof of concept for this CVE. SecurityAlert has not executed it; this is not evidence of attacks against your systems.