CVE-2023-43770 · cross-distro fix matrix

CVE-2023-43770: Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-43770 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

roundcube→ fixed in1.4.14+dfsg.1-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian bookworm

Source: Debian Security Tracker

roundcube→ fixed in1.6.3+dfsg-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian trixie

Source: Debian Security Tracker

roundcube→ fixed in1.6.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Are YOU affected by CVE-2023-43770?

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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