CVE-2024-36843: High severity libmodbus libmodbus vulnerability
libmodbus v3.1.6 was discovered to contain a heap overflow via the modbusmappingfree() function.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libmodbusto a version that resolves this vulnerability.Fixed in 3.1.6-2.1 - Upgrade
Upgrade
debian/libmodbusto a version that resolves this vulnerability.Fixed in 3.1.6-2.1Fixed in 3.1.6-2.1+deb12u1Fixed in 3.1.11-2Fixed in 3.2.0-1
Event History
Frequently Asked Questions
What is the severity of CVE-2024-36843?
CVE-2024-36843 has been rated as high severity due to the potential for exploit through heap overflow vulnerabilities.
How do I fix CVE-2024-36843?
To fix CVE-2024-36843, update your libmodbus to version 3.1.7 or later, where the vulnerability has been patched.
What systems are affected by CVE-2024-36843?
CVE-2024-36843 affects all versions of libmodbus up to 3.1.6, making them susceptible to heap overflow attacks.
What type of vulnerability is CVE-2024-36843?
CVE-2024-36843 is classified as a heap overflow vulnerability occurring in the modbus_mapping_free() function.
Can CVE-2024-36843 lead to remote code execution?
Yes, exploiting CVE-2024-36843 could potentially allow remote attackers to execute arbitrary code on vulnerable systems.