USN-8987-1: libuser vulnerabilities
It was discovered that libuser did not properly validate the GECOS field
when changing user information. A local attacker could possibly use this
issue to corrupt the passwd file, resulting in a denial of service.
(CVE-2015-3245)
It was discovered that libuser modified the passwd file in place when
updating user information. A local attacker could possibly use this issue
to cause an inconsistent file state, resulting in a denial of service, or
possibly escalate privileges. (CVE-2015-3246)