Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS…
Priority MEDIUM 42CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (electric-power outage) via a long string containing non-printable characters.
Why it matters now
EPSS 0.06173 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:networkupstools:nut:*:*:*:*:*:*:*:* | up to 2.6.3-3 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.0:pre1:*:*:*:*:*:* | 2.6.0 pre1 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.0-1:*:*:*:*:*:*:* | 2.6.0-1 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.1-1:*:*:*:*:*:*:* | 2.6.1-1 | Vulnerable | networkupstools |
| cpe:2.3:a:networkupstools:nut:2.6.3-1:*:*:*:*:*:*:* | 2.6.3-1 | Vulnerable | networkupstools |
- cpe:2.3:a:networkupstools:nut:*:*:*:*:*:*:*:* Versions up to 2.6.3-3 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.0:pre1:*:*:*:*:*:* Versions 2.6.0 pre1 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.0-1:*:*:*:*:*:*:* Versions 2.6.0-1 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.1-1:*:*:*:*:*:*:* Versions 2.6.1-1 Vulnerable ·networkupstools
- cpe:2.3:a:networkupstools:nut:2.6.3-1:*:*:*:*:*:*:* Versions 2.6.3-1 Vulnerable ·networkupstools
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-2944
- 2026-10-03 Alias added: GHSA-4c72-hpc9-gqmj
References
Sources
- CVE-2012-2944 · CVE Program
- CVE-2012-2944 · NVD
- FIRST EPSS
- GHSA-4c72-hpc9-gqmj · GitHub Advisory Database · CC BY 4.0
- CVE-2012-2944 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences