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Vulnerability details: VCID-4yj7-j39a-83fj
Vulnerability ID VCID-4yj7-j39a-83fj
Aliases CVE-2024-36843
Summary libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00751 https://api.first.org/data/v1/epss?cve=CVE-2024-36843
epss 0.00751 https://api.first.org/data/v1/epss?cve=CVE-2024-36843
epss 0.00751 https://api.first.org/data/v1/epss?cve=CVE-2024-36843
epss 0.00751 https://api.first.org/data/v1/epss?cve=CVE-2024-36843
cvssv3.1 8.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
ssvc Track https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
cvssv3.1 7.5 https://github.com/stephane/libmodbus/issues/748
ssvc Track https://github.com/stephane/libmodbus/issues/748
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-36843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36843
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1074422 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1074422
748 https://github.com/stephane/libmodbus/issues/748
gdb.md https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-08-22T17:31:56Z/ Found at https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/stephane/libmodbus/issues/748
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-08-22T17:31:56Z/ Found at https://github.com/stephane/libmodbus/issues/748
Exploit Prediction Scoring System (EPSS)
Percentile 0.73562
EPSS Score 0.00751
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:40:27.660234+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0