CVE-2025-67724 · cross-distro fix matrix

CVE-2025-67724: Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers (where it could be used for header injection) or in HTML in the default error page (where it could be used for XSS) and can be exploited by

Affects 4 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-67724 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

python-tornado→ fixed in6.1.0-1+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-tornado
```

Debian bookworm

Source: Debian Security Tracker

python-tornado→ fixed in6.2.0-3+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-tornado
```

Debian trixie

Source: Debian Security Tracker

python-tornado→ fixed in6.4.2-3+deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-tornado
```

Alpine edge

Source: Alpine secdb

py3-tornado→ fixed in6.5.4-r0

apk update && apk add --upgrade py3-tornado

Are YOU affected by CVE-2025-67724?

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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