CVE-2025-0938 · cross-distro fix matrix

CVE-2025-0938: The Python standard library functions `urllib.parse.urlsplit` and `urlparse` accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in diff

Affects 8 Linux releases across 10 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-0938 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pypy3→ fixed in7.3.5+dfsg-2+deb11u5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```
python3.9→ fixed in3.9.2-1+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.9
```

Debian bookworm

Source: Debian Security Tracker

python3.11→ fixed in3.11.2-6+deb12u6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.11
```

Debian trixie

Source: Debian Security Tracker

pypy3→ fixed in7.3.18+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```
python3.13→ fixed in3.13.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.13
```

Alpine v3.20

Source: Alpine secdb

python3→ fixed in3.12.9-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.21

Source: Alpine secdb

python3→ fixed in3.12.9-r0
```
apk update && apk add --upgrade python3
```

Alpine edge

Source: Alpine secdb

python3→ fixed in3.12.9-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.18

Source: Alpine secdb

python3→ fixed in3.11.12-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.19

Source: Alpine secdb

python3→ fixed in3.11.12-r0
```
apk update && apk add --upgrade python3
```

Are YOU affected by CVE-2025-0938?

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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