| Name | CVE-2023-26793 |
| Description | libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libmodbus (PTS) | jessie, jessie (lts) | 3.0.6-1+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 3.0.6-2+deb9u1 | vulnerable |
| buster | 3.1.4-2+deb10u1 | vulnerable |
| buster (security) | 3.1.4-2+deb10u2 | vulnerable |
| bullseye | 3.1.6-2 | vulnerable |
| bookworm | 3.1.6-2.1 | vulnerable |
| sid, trixie | 3.1.10-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libmodbus | source | (unstable) | (unfixed) | | | |
Notes
[bookworm] - libmodbus <no-dsa> (Minor issue)
[bullseye] - libmodbus <no-dsa> (Minor issue)
[buster] - libmodbus <postponed> (Minor issue, no patch)
https://github.com/stephane/libmodbus/issues/683
[stretch] - libmodbus <postponed> (Minor issue, no patch)
[jessie] - libmodbus <postponed> (Minor issue, no patch)