CVE-2021-21381 · cross-distro fix matrix

CVE-2021-21381: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In Flatpack since version 0.9.4 and before version 1.10.2 has a vulnerability in the "file forwarding" feature which can be used by an attacker to gain access to files that would not ordinarily be al

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-21381 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

flatpak→ fixed in1.10.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y flatpak
```

Debian bookworm

Source: Debian Security Tracker

flatpak→ fixed in1.10.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y flatpak
```

Debian trixie

Source: Debian Security Tracker

flatpak→ fixed in1.10.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y flatpak
```

Are YOU affected by CVE-2021-21381?

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

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