An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5.
Priority MEDIUM 43CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_REGISTERS case, aka VD-1301.
Why it matters now
EPSS 0.01927 80th percentileScored 2026-11-07
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:* | before 3.0.7; 3.1.0 to before 3.1.5 | Vulnerable | libmodbus |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:* Versions before 3.0.7; 3.1.0 to before 3.1.5 Vulnerable ·libmodbus
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14463
- 2026-10-03 Alias added: GHSA-p6hf-772c-jqqx
References
Sources
- CVE-2019-14463 · CVE Program
- CVE-2019-14463 · NVD
- FIRST EPSS
- GHSA-p6hf-772c-jqqx · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14463 · 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