Out-of-bounds Read in Libmodbus
CVE-2019-14463
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.
Vulnerability class: Buffer Overflow
EPSS: 0.019 (77.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Libmodbus
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 29, 30
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14463?
- CVE-2019-14463 is a critical-severity vulnerability in Libmodbus, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-07-31.
- How severe is CVE-2019-14463?
- Critical severity. CVSS v3 base score is 9.1 out of 10.