CVE-2025-1220 · cross-distro fix matrix

CVE-2025-1220: In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 some functions like fsockopen() lack validation that the hostname supplied does not contain null characters. This may lead to other functions like parse_url() treat the hostname in different way, thus

Affects 4 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-1220 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

php7.4→ fixed in7.4.33-1+deb11u9urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php7.4
```

Debian bookworm

Source: Debian Security Tracker

php8.2→ fixed in8.2.29-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php8.2
```

Debian trixie

Source: Debian Security Tracker

php8.4→ fixed in8.4.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php8.4
```

Alpine edge

Source: Alpine secdb

php83→ fixed in8.3.23-r0
```
apk update && apk add --upgrade php83
```
php84→ fixed in8.4.9-r0
```
apk update && apk add --upgrade php84
```

Are YOU affected by CVE-2025-1220?

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

CVE-2025-1220dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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