CVE-2019-12953 · cross-distro fix matrix

CVE-2019-12953: Dropbear 2011.54 through 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames, a different issue than CVE-2018-15599.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-12953 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dropbear→ fixed in2019.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dropbear
```

Debian bookworm

Source: Debian Security Tracker

dropbear→ fixed in2019.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dropbear
```

Debian trixie

Source: Debian Security Tracker

dropbear→ fixed in2019.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dropbear
```

Are YOU affected by CVE-2019-12953?

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

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