CVE-2024-12254 · cross-distro fix matrix

CVE-2024-12254: Starting in Python 3.12.0, the asyncio._SelectorSocketTransport.writelines() method would not "pause" writing and signal to the Protocol to drain the buffer to the wire once the write buffer reached the "high-water mark". Because of this, Protocols would not periodically drain the write buffer p

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

Fix per ecosystem

Each block below is a distro release where CVE-2024-12254 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

python3.13→ fixed in3.13.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.13
```

Alpine v3.20

Source: Alpine secdb

python3→ fixed in3.12.8-r1
```
apk update && apk add --upgrade python3
```

Alpine v3.21

Source: Alpine secdb

python3→ fixed in3.12.8-r1
```
apk update && apk add --upgrade python3
```

Alpine edge

Source: Alpine secdb

python3→ fixed in3.12.8-r1
```
apk update && apk add --upgrade python3
```

Are YOU affected by CVE-2024-12254?

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-2024-12254dropped 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.

See StackPatch ($99 lifetime)