CVE-2023-39945 · cross-distro fix matrix

CVE-2023-39945: eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled `BadParamException` in fastcdr, which in turn crashes fastdds. Versions 2.11.0,

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-39945 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

fastdds→ fixed in2.1.0+ds-9+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fastdds
```

Debian bookworm

Source: Debian Security Tracker

fastdds→ fixed in2.9.1+ds-1+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fastdds
```

Debian trixie

Source: Debian Security Tracker

fastdds→ fixed in2.10.1+ds-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fastdds
```

Are YOU affected by CVE-2023-39945?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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