CVE-2022-30550 · cross-distro fix matrix

CVE-2022-30550: An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entries exist with the same driver and args settings, incorrect username_filter and mechanism settings can be applied to passdb definitions. These incorrectly applied settings can lead t

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-30550 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dovecot→ fixed in1:2.3.13+dfsg1-2+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Debian bookworm

Source: Debian Security Tracker

dovecot→ fixed in1:2.3.19.1+dfsg1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Debian trixie

Source: Debian Security Tracker

dovecot→ fixed in1:2.3.19.1+dfsg1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Alpine v3.20

Source: Alpine secdb

dovecot→ fixed in2.3.19.1-r5
```
apk update && apk add --upgrade dovecot
```

Alpine v3.21

Source: Alpine secdb

dovecot→ fixed in2.3.19.1-r5
```
apk update && apk add --upgrade dovecot
```

Alpine edge

Source: Alpine secdb

dovecot→ fixed in2.3.19.1-r5
```
apk update && apk add --upgrade dovecot
```

Alpine v3.18

Source: Alpine secdb

dovecot→ fixed in2.3.19.1-r5
```
apk update && apk add --upgrade dovecot
```

Alpine v3.19

Source: Alpine secdb

dovecot→ fixed in2.3.19.1-r5
```
apk update && apk add --upgrade dovecot
```

Are YOU affected by CVE-2022-30550?

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

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