CVE-2026-33542 · cross-distro fix matrix

CVE-2026-33542: Incus is a system container and virtual machine manager. Prior to version 6.23.0, a lack of validation of the image fingerprint when downloading from simplestreams image servers opens the door to image cache poisoning and under very narrow circumstances exposes other tenants to running attacker cont

Affects 2 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-33542 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

lxd→ fixed in5.0.2-5+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxd
```

Debian trixie

Source: Debian Security Tracker

incus→ fixed in6.0.4-2+deb13u5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y incus
```
lxd→ fixed in5.0.2+git20231211.1364ae4-9+deb13u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxd
```

Are YOU affected by CVE-2026-33542?

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.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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