CVE-2017-17742 · cross-distro fix matrix

CVE-2017-17742: Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-17742 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

jruby→ fixed in9.3.9.0+ds-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y jruby
```

Debian trixie

Source: Debian Security Tracker

jruby→ fixed in9.3.9.0+ds-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y jruby
```

Alpine v3.20

Source: Alpine secdb

ruby→ fixed in2.5.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.21

Source: Alpine secdb

ruby→ fixed in2.5.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine edge

Source: Alpine secdb

ruby→ fixed in2.5.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.18

Source: Alpine secdb

ruby→ fixed in2.5.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.19

Source: Alpine secdb

ruby→ fixed in2.5.1-r0
```
apk update && apk add --upgrade ruby
```

Are YOU affected by CVE-2017-17742?

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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