| Name | CVE-2015-3245 | 
| Description | 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. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-468-1 | 
| Debian Bugs | 793465 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| libuser (PTS) | bullseye | 1:0.62~dfsg-0.4 | fixed | 
|  | bookworm | 1:0.64~dfsg-1 | fixed | 
|  | forky, sid, trixie | 1:0.64+git20241106~dfsg-3 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| libuser | source | wheezy | 1:0.56.9.dfsg.1-1.2+deb7u1 |  | DLA-468-1 |  | 
| libuser | source | (unstable) | 1:0.62~dfsg-0.1 |  |  | 793465 | 
Notes
[jessie] - libuser <no-dsa> (Minor issue)
initially attributed to usermode package, root-cause fixed in libuser instead