CVE-2026-6040 · cross-distro fix matrix

CVE-2026-6040: A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed versions

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-6040 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

libreoffice→ fixed in4:25.2.3-2+deb13u5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libreoffice
```

Are YOU affected by CVE-2026-6040?

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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