CVE-2020-10759 · cross-distro fix matrix

CVE-2020-10759: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As per upstream, a signature bypass is theoretically possible, but not practical because the Linux Vendor Firmware Service (LVFS) is either not implemented or enabled in versions

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-10759 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

fwupd→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fwupd
```
libjcat→ fixed in0.1.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libjcat
```

Debian bookworm

Source: Debian Security Tracker

fwupd→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fwupd
```
libjcat→ fixed in0.1.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libjcat
```

Debian trixie

Source: Debian Security Tracker

fwupd→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fwupd
```
libjcat→ fixed in0.1.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libjcat
```

Are YOU affected by CVE-2020-10759?

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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