libuser 0.56 and 0.57 has a TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees.
Priority LOW 28CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
libuser 0.56 and 0.57 has a TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees.
Why it matters now
EPSS 0.00279 20th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| libuser | libuser | 0.57; 0.56 | — | No fix listed | CNA |
- libuser Vendorlibuser Affected 0.57; 0.56 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libuser_project:libuser:0.57:*:*:*:*:*:*:* | 0.57 | Vulnerable | Libuser Project |
| cpe:2.3:a:libuser_project:libuser:0.58:*:*:*:*:*:*:* | 0.58 | Vulnerable | Libuser Project |
| cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* | 18 | Vulnerable | Fedoraproject |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:a:libuser_project:libuser:0.57:*:*:*:*:*:*:* Versions 0.57 Vulnerable ·Libuser Project
- cpe:2.3:a:libuser_project:libuser:0.58:*:*:*:*:*:*:* Versions 0.58 Vulnerable ·Libuser Project
- cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* Versions 18 Vulnerable ·Fedoraproject
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-5630
- 2026-10-03 Alias added: GHSA-4674-qwpx-v98w
References
Sources
- CVE-2012-5630 · CVE Program
- CVE-2012-5630 · NVD
- FIRST EPSS
- GHSA-4674-qwpx-v98w · GitHub Advisory Database · CC BY 4.0
- CVE-2012-5630 · Red Hat security data · CC BY 4.0
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