CVE-1999-1572 · cross-distro fix matrix

CVE-1999-1572: cpio on FreeBSD 2.1.0, Debian GNU/Linux 3.0, and possibly other operating systems, uses a 0 umask when creating files using the -O (archive) or -F options, which creates the files with mode 0666 and allows local users to read or overwrite those files.

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

Fix per ecosystem

Each block below is a distro release where CVE-1999-1572 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

cpio→ fixed in2.5-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cpio
```

Debian bookworm

Source: Debian Security Tracker

cpio→ fixed in2.5-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cpio
```

Debian trixie

Source: Debian Security Tracker

cpio→ fixed in2.5-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cpio
```

Are YOU affected by CVE-1999-1572?

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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