CVE-2022-37452 · cross-distro fix matrix

CVE-2022-37452: Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.

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

Fix per ecosystem

Each block below is a distro release where CVE-2022-37452 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

exim4→ fixed in4.94.2-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Debian bookworm

Source: Debian Security Tracker

exim4→ fixed in4.94.2-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Debian trixie

Source: Debian Security Tracker

exim4→ fixed in4.94.2-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Are YOU affected by CVE-2022-37452?

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

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Continuous monitoring beats manual checking

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