CVE-2024-36843

FAUCET Score

CVE-2024-36843 describes a heap overflow vulnerability in libmodbus v3.1.6, specifically within the modbus_mapping_free() function. This flaw carries a high CVSS score of 7.5, indicating it can be exploited remotely with low attack complexity, leading to high availability impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.1.6CPE matchmatch criteria	cpe:2.3:a:libmodbus:libmodbus:3.1.6:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.79%

Probability of exploitation in next 30 days

EPSS Percentile

52.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference

View patch

References

lists.debian.org / debian-lts-announce/2025/03/msg00010.html

github.com / balckgu1/libmodbusPoc/blob/main/gdb.md

ExploitThird Party Advisory

github.com / stephane/libmodbus/issues/748

ExploitIssue TrackingVendor Advisory