CVE-2023-51385 · cross-distro fix matrix

CVE-2023-51385: In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host

Affects 7 Linux releases across 7 (distro × package) combinations.

Elevated exploitation risk

FIRST EPSS puts CVE-2023-51385's probability of exploitation in the next 30 days at 20% (97th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:20% · 30-day exploit probability97th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2023-51385 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssh→ fixed in1:8.4p1-5+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Debian bookworm

Source: Debian Security Tracker

openssh→ fixed in1:9.2p1-2+deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Debian trixie

Source: Debian Security Tracker

openssh→ fixed in1:9.6p1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Alpine v3.20

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine v3.21

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine edge

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine v3.19

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Are YOU affected by CVE-2023-51385?

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

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