CVE-2023-40167 · cross-distro fix matrix

CVE-2023-40167: Jetty is a Java based web server and servlet engine. Prior to versions 9.4.52, 10.0.16, 11.0.16, and 12.0.1, Jetty accepts the `+` character proceeding the content-length value in a HTTP/1 header field. This is more permissive than allowed by the RFC and other servers routinely reject such requests

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-40167 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

jetty9→ fixed in9.4.39-3+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y jetty9
```

Debian bookworm

Source: Debian Security Tracker

jetty9→ fixed in9.4.50-4+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y jetty9
```

Debian trixie

Source: Debian Security Tracker

jetty9→ fixed in9.4.52-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y jetty9
```

Are YOU affected by CVE-2023-40167?

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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