Vulnerability · Published May 8, 2024 · Assigned by mitre
CVE-2024-34244
High 7.5
In plain English
A high-severity buffer overflow in the libmodbus package (Ubuntu). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 55.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | libmodbus | no fix listed | UBUNTU-CVE-2024-34244 |
| Ubuntu:24.04:LTS | libmodbus | no fix listed | UBUNTU-CVE-2024-34244 |
| Ubuntu:25.10 | libmodbus | no fix listed | UBUNTU-CVE-2024-34244 |
| Ubuntu:26.04:LTS | libmodbus | no fix listed | UBUNTU-CVE-2024-34244 |
| Ubuntu:26.10 | libmodbus | no fix listed | UBUNTU-CVE-2024-34244 |
Affected products (as reported)
Weakness: CWE-120, CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H