CVE catalog
CVE-2015-3245
libuser: CVE-2015-3245
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.39% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libuser | sid | 1:0.64+git20241106~dfsg-4 | fixed |
| Debian | libuser | forky | 1:0.64+git20241106~dfsg-4 | fixed |
| Debian | libuser | trixie | 1:0.64+git20241106~dfsg-3 | fixed |
| Debian | libuser | bookworm | 1:0.64~dfsg-1 | fixed |
| Ubuntu | libuser | pro | 1:0.56.9.dfsg.1-1.2ubuntu2 | vulnerable |
| Ubuntu | libuser | pro | 1:0.56.9.dfsg.1-1.2ubuntu2+esm1 | fixed |
| Ubuntu | libuser | 16.04 | 1:0.60~dfsg-1.2 | vulnerable |
| Ubuntu | libuser | 25.10 | 1:0.64+git20241106~dfsg-2 | vulnerable |
| Ubuntu | libuser | 25.10 | 1:0.64+git20241106~dfsg-3 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libuser | source | sid | 1:0.62~dfsg-0.1 | not yet assigned | Not reported | [793465] |
| Debian | libuser | source | forky | 1:0.62~dfsg-0.1 | not yet assigned | Not reported | [793465] |
| Debian | libuser | source | trixie | 1:0.62~dfsg-0.1 | not yet assigned | Not reported | [793465] |
| Debian | libuser | source | bookworm | 1:0.62~dfsg-0.1 | not yet assigned | Not reported | [793465] |
| Ubuntu | libuser | deb | pro | 1:0.56.9.dfsg.1-1.2ubuntu2+esm1 | Not reported | UBUNTU-CVE-2015-3245 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libuser]Unknown
Details (2)
1:0.64~dfsg-1· amd64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
1:0.64~dfsg-1· arm64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
- [libuser1]Unknown
Source package: [libuser]
Details (2)
1:0.64~dfsg-1· amd64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
1:0.64~dfsg-1· arm64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
- [libuser1-dev]Unknown
Source package: [libuser]
Details (2)
1:0.64~dfsg-1· amd64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
1:0.64~dfsg-1· arm64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
- [python3-libuser]Unknown
Source package: [libuser]
Details (2)
1:0.64~dfsg-1· amd64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
1:0.64~dfsg-1· arm64 · bookwormFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · bookworm; dsa · libuser · debian · 12
[Debian 13 (Trixie)]
- [libuser]Unknown
Details (2)
1:0.64+git20241106~dfsg-3· amd64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
1:0.64+git20241106~dfsg-3· arm64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
- [libuser1]Unknown
Source package: [libuser]
Details (2)
1:0.64+git20241106~dfsg-3· amd64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
1:0.64+git20241106~dfsg-3· arm64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
- [libuser1-dev]Unknown
Source package: [libuser]
Details (2)
1:0.64+git20241106~dfsg-3· amd64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
1:0.64+git20241106~dfsg-3· arm64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
- [python3-libuser]Unknown
Source package: [libuser]
Details (2)
1:0.64+git20241106~dfsg-3· amd64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
1:0.64+git20241106~dfsg-3· arm64 · trixieFixed · Fixed:
1:0.62~dfsg-0.1dsa · libuser · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2015:1482]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2015_1483.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3245]
- [https://osv.dev/vulnerability/DLA-468-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3245]
- [https://security-tracker.debian.org/tracker/CVE-2015-3245]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]