CVE-2025-8291 · cross-distro fix matrix

CVE-2025-8291: The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory (EOCD) Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record would be assumed to be the previous record in the ZIP archive. This could be abused to create ZI

Affects 1 Linux release across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-8291 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+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.9
```

Are YOU affected by CVE-2025-8291?

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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