CVE-2018-17456 · cross-distro fix matrix

CVE-2018-17456: Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-17456 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

git→ fixed in1:2.19.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y git
```

Debian bookworm

Source: Debian Security Tracker

git→ fixed in1:2.19.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y git
```

Debian trixie

Source: Debian Security Tracker

git→ fixed in1:2.19.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y git
```

Alpine v3.20

Source: Alpine secdb

git→ fixed in2.19.1-r0
```
apk update && apk add --upgrade git
```

Alpine v3.21

Source: Alpine secdb

git→ fixed in2.19.1-r0
```
apk update && apk add --upgrade git
```

Alpine edge

Source: Alpine secdb

git→ fixed in2.19.1-r0
```
apk update && apk add --upgrade git
```

Alpine v3.18

Source: Alpine secdb

git→ fixed in2.19.1-r0
```
apk update && apk add --upgrade git
```

Alpine v3.19

Source: Alpine secdb

git→ fixed in2.19.1-r0
```
apk update && apk add --upgrade git
```

Are YOU affected by CVE-2018-17456?

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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