CVE-2025-5399 · cross-distro fix matrix

CVE-2025-5399: Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted packet which makes libcurl get trapped in an endless busy-loop. There is no other way for the application to escape or exit this loop other than killing the thread/process. This might be used to DoS li

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

Fix per ecosystem

Each block below is a distro release where CVE-2025-5399 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

curl→ fixed in8.14.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y curl
```

Alpine v3.20

Source: Alpine secdb

curl→ fixed in8.14.1-r0
```
apk update && apk add --upgrade curl
```

Alpine v3.21

Source: Alpine secdb

curl→ fixed in8.14.1-r0
```
apk update && apk add --upgrade curl
```

Alpine edge

Source: Alpine secdb

curl→ fixed in8.14.1-r0
```
apk update && apk add --upgrade curl
```

Alpine v3.19

Source: Alpine secdb

curl→ fixed in8.14.1-r0
```
apk update && apk add --upgrade curl
```

Are YOU affected by CVE-2025-5399?

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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