Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade libuser-develUpgrade libuser-pythonUpgrade libuser | Dec 1, 2016 | Aug 11, 2015 |
| Debian | — | Upgrade libuser | Mar 31, 2017 | Aug 11, 2015 |
| Oracle_linux | — | Upgrade libuserUpgrade libuser-develUpgrade libuser-python | Oct 16, 2024 | Aug 11, 2015 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 23, 2015 |
| Ubuntu | — | Upgrade libuser (Ubuntu Pro) | Nov 19, 2024 | Aug 11, 2015 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub