CVE-2024-23185 · cross-distro fix matrix

CVE-2024-23185: Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably sized chunks of the message. However, when it feeds them to message-header-parser, it starts building up "full_value" buffer out of the smaller chunks. The full_value buffer has no siz

Affects 5 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2024-23185 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+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Debian bookworm

Source: Debian Security Tracker

dovecot→ fixed in1:2.3.19.1+dfsg1-2.1+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Debian trixie

Source: Debian Security Tracker

dovecot→ fixed in1:2.3.21.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dovecot
```

Alpine v3.21

Source: Alpine secdb

dovecot→ fixed in2.3.21.1-r0
```
apk update && apk add --upgrade dovecot
```

Alpine edge

Source: Alpine secdb

dovecot→ fixed in2.3.21.1-r0
```
apk update && apk add --upgrade dovecot
```

Are YOU affected by CVE-2024-23185?

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-2024-23185dropped 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)