CVE catalog
CVE-2015-3246
libuser: CVE-2015-3246
- Severity
- High · CVSS 7.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 8.50% · Oct 25, 2026
Red Hat libuser contains a race condition vulnerability that allows authenticated local users to corrupt the /etc/passwd file to cause a denial of service or privilege escalation.
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 |
| Cpe | libuser | Not reported | 0.60-7 | fixed |
| Cpe | enterprise_linux | Not reported | Not reported | unknown |
| Cpe | opensuse | Not reported | Not reported | unknown |
| 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] |
| Cpe | libuser | cpe | Not reported | 0.60-7 | Not reported | NVD-CVE-2015-3246 | Not reported |
| Ubuntu | libuser | deb | pro | 1:0.56.9.dfsg.1-1.2ubuntu2+esm1 | Not reported | UBUNTU-CVE-2015-3246 | 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://ftp.suse.com/pub/projects/security/csaf/rhsa-2015_1483.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2015-3246]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3246]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3246]
- [https://security-tracker.debian.org/tracker/CVE-2015-3246]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3246.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
[CISA Known Exploited Vulnerabilities (OSINT)] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]