CVE-2019-14463
CRITICAL
9.1
CVSS Score
Published: July 31, 2019 at 10:03 PM UTC
Updated: June 17, 2026 at 02:18 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraLibmodbus
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Severity
CRITICAL9.1
Exploit prediction
EPSS 2%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 3.0.73.1.0 ≤ v < 3.1.5
Affected range stops below 3.0.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.1.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc
- https://libmodbus.org/2019/stable-and-development-releases/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HAGHQFJTJCMYHW553OUWJ3YIJR6PJHB7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRAQZXGAZY6UGWZ6CD33QEFLL7AWW233/
References (5)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefcx_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://libmodbus.org/2019/stable-and-development-releases/Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/11/msg00020.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HAGHQFJTJCMYHW553OUWJ3YIJR6PJHB7/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRAQZXGAZY6UGWZ6CD33QEFLL7AWW233/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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