CVE-2026-3446 · cross-distro fix matrix

CVE-2026-3446: When calling base64.b64decode() or related functions the decoding process would stop after encountering the first padded quad regardless of whether there was more information to be processed. This can lead to data being accepted which may be processed differently by other implementations. Use "valid

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-3446 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

python3.13→ fixed in3.13.5-2+deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.13
```

Are YOU affected by CVE-2026-3446?

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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