CVE-2016-4437 · cross-distro fix matrix

CVE-2016-4437: Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.

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

Fix per ecosystem

Each block below is a distro release where CVE-2016-4437 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

shiro→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shiro
```

Debian bookworm

Source: Debian Security Tracker

shiro→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shiro
```

Debian trixie

Source: Debian Security Tracker

shiro→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shiro
```

Are YOU affected by CVE-2016-4437?

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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