CVE-2025-2866 · cross-distro fix matrix

CVE-2025-2866: Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation. In the affected versions of LibreOffice a flaw in the verification code for adbe.pkcs7.sha1 signatures could cause invalid signatures to be accepted as valid Th

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-2866 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libreoffice→ fixed in1:7.0.4-4+deb11u13urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libreoffice
```

Debian bookworm

Source: Debian Security Tracker

libreoffice→ fixed in4:7.4.7-1+deb12u8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libreoffice
```

Debian trixie

Source: Debian Security Tracker

libreoffice→ fixed in4:25.2.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libreoffice
```

Are YOU affected by CVE-2025-2866?

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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