CVE-2019-10740 · cross-distro fix matrix

CVE-2019-10740: In Roundcube Webmail before 1.3.10, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the att

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-10740 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

roundcube→ fixed in1.3.10+dfsg.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian bookworm

Source: Debian Security Tracker

roundcube→ fixed in1.3.10+dfsg.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian trixie

Source: Debian Security Tracker

roundcube→ fixed in1.3.10+dfsg.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Are YOU affected by CVE-2019-10740?

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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