| Name | CVE-2024-36844 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1074422 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libmodbus (PTS) | bullseye | 3.1.6-2 | vulnerable |
| bookworm | 3.1.6-2.1 | vulnerable |
| sid, trixie | 3.1.10-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libmodbus | source | (unstable) | 3.1.10-1 | | | 1074422 |
Notes
[bookworm] - libmodbus <no-dsa> (Minor issue)
[bullseye] - libmodbus <no-dsa> (Minor issue)
[buster] - libmodbus <postponed> (Minor issue)
https://github.com/stephane/libmodbus/issues/749
https://github.com/stephane/libmodbus/commit/b4ef4c17d618eba0adccc4c7d9e9a1ef809fc9b6 (v3.1.7)