CVE-2019-18928 · cross-distro fix matrix

CVE-2019-18928: Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-18928 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

cyrus-imapd→ fixed in3.0.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cyrus-imapd
```

Debian bookworm

Source: Debian Security Tracker

cyrus-imapd→ fixed in3.0.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cyrus-imapd
```

Debian trixie

Source: Debian Security Tracker

cyrus-imapd→ fixed in3.0.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cyrus-imapd
```

Are YOU affected by CVE-2019-18928?

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

CVE-2019-18928dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)