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CVE-2021-25633 · cross-distro fix matrix

CVE-2021-25633: LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to crea

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-25633 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+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreoffice

Debian bookworm

Source: Debian Security Tracker

  • libreoffice→ fixed in1:7.2.0-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreoffice

Debian trixie

Source: Debian Security Tracker

  • libreoffice→ fixed in1:7.2.0-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreoffice

Alpine v3.20

Source: Alpine secdb

  • libreoffice→ fixed in7.2.2.2-r0
    apk update && apk add --upgrade libreoffice

Alpine v3.21

Source: Alpine secdb

  • libreoffice→ fixed in7.2.2.2-r0
    apk update && apk add --upgrade libreoffice

Alpine edge

Source: Alpine secdb

  • libreoffice→ fixed in7.2.2.2-r0
    apk update && apk add --upgrade libreoffice

Alpine v3.18

Source: Alpine secdb

  • libreoffice→ fixed in7.2.2.2-r0
    apk update && apk add --upgrade libreoffice

Alpine v3.19

Source: Alpine secdb

  • libreoffice→ fixed in7.2.2.2-r0
    apk update && apk add --upgrade libreoffice
Are YOU affected by CVE-2021-25633?

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
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