CVE-2024-36844
Fixed in a distro release EPSS <1%CVSS 7.5
libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.
Products: libmodbus
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 11 | libmodbus | 3.1.6-2+deb11u1 |
| Debian 12 | libmodbus | 3.1.6-2.1 |
| Debian 13 | libmodbus | 3.1.6-2.1 |
| Debian 14 | libmodbus | 3.1.6-2.1 |
| Ubuntu 20.04 LTS | libmodbus | no fix |
| Ubuntu 22.04 LTS | libmodbus | no fix |
| Ubuntu 24.04 LTS | libmodbus | no fix |
| Ubuntu 25.10 | libmodbus | no fix |
| Ubuntu 26.04 LTS | libmodbus | no fix |
| Ubuntu 26.10 | libmodbus | no fix |
| Ubuntu Pro 14.04 LTS | libmodbus | no fix |
| Ubuntu Pro 16.04 LTS | libmodbus | no fix |
| Ubuntu Pro 18.04 LTS | libmodbus | no fix |