CVE-2018-15473 · cross-distro fix matrix

CVE-2018-15473: OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-15473 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssh→ fixed in1:7.7p1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Debian bookworm

Source: Debian Security Tracker

openssh→ fixed in1:7.7p1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Debian trixie

Source: Debian Security Tracker

openssh→ fixed in1:7.7p1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Alpine v3.20

Source: Alpine secdb

openssh→ fixed in7.7_p1-r4
```
apk update && apk add --upgrade openssh
```

Alpine v3.21

Source: Alpine secdb

openssh→ fixed in7.7_p1-r4
```
apk update && apk add --upgrade openssh
```

Alpine edge

Source: Alpine secdb

openssh→ fixed in7.7_p1-r4
```
apk update && apk add --upgrade openssh
```

Alpine v3.18

Source: Alpine secdb

openssh→ fixed in7.7_p1-r4
```
apk update && apk add --upgrade openssh
```

Alpine v3.19

Source: Alpine secdb

openssh→ fixed in7.7_p1-r4
```
apk update && apk add --upgrade openssh
```

Are YOU affected by CVE-2018-15473?

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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