CVE-2025-22870 · cross-distro fix matrix

CVE-2025-22870: Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

Affects 3 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-22870 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

golang-1.24→ fixed in1.24.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-1.24
```

Alpine v3.21

Source: Alpine secdb

go→ fixed in1.23.7-r0
```
apk update && apk add --upgrade go
```

Alpine edge

Source: Alpine secdb

go→ fixed in1.24.1-r0
```
apk update && apk add --upgrade go
```
rclone→ fixed in1.69.2-r0
```
apk update && apk add --upgrade rclone
```

Are YOU affected by CVE-2025-22870?

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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