CVE-2023-42117 · cross-distro fix matrix

CVE-2023-42117: Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp servic

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-42117 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

exim4→ fixed in4.94.2-7+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Debian bookworm

Source: Debian Security Tracker

exim4→ fixed in4.96-15+deb12u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Debian trixie

Source: Debian Security Tracker

exim4→ fixed in4.97~RC2-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y exim4
```

Alpine v3.20

Source: Alpine secdb

exim→ fixed in4.96.2-r0
```
apk update && apk add --upgrade exim
```

Alpine v3.21

Source: Alpine secdb

exim→ fixed in4.96.2-r0
```
apk update && apk add --upgrade exim
```

Alpine edge

Source: Alpine secdb

exim→ fixed in4.96.2-r0
```
apk update && apk add --upgrade exim
```

Alpine v3.18

Source: Alpine secdb

exim→ fixed in4.96.2-r0
```
apk update && apk add --upgrade exim
```

Alpine v3.19

Source: Alpine secdb

exim→ fixed in4.96.2-r0
```
apk update && apk add --upgrade exim
```

Are YOU affected by CVE-2023-42117?

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-2023-42117dropped 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)