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OpenAdvisories
High USN-6546-2 2 CVEs

libreoffice vulnerabilities

Published Dec 14, 2023 · Updated Apr 22, 2026

Summary

USN-6546-1 fixed vulnerabilities in LibreOffice. This update provides the
corresponding updates for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.

Original advisory details:

Reginaldo Silva discovered that LibreOffice incorrectly handled filenames
when passing embedded videos to GStreamer. If a user were tricked into
opening a specially crafted file, a remote attacker could possibly use this
issue to execute arbitrary GStreamer plugins. (CVE-2023-6185)

Reginaldo Silva discovered that LibreOffice incorrectly handled certain
non-typical hyperlinks. If a user were tricked into opening a specially
crafted file, a remote attacker could possibly use this issue to execute
arbitrary scripts. (CVE-2023-6186)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS libreoffice 1:6.4.7-0ubuntu0.20.04.9
Ubuntu · 22.04 LTS 22.04:LTS libreoffice 1:7.3.7-0ubuntu0.22.04.4

Vulnerabilities 2

  • High 8.3

    Improper input validation enabling arbitrary Gstreamer pipeline injection

    Improper Input Validation vulnerability in GStreamer integration of The Document Foundation LibreOffice allows an attacker to execute arbitrary GStreamer plugins. In affected versions the filename of the embedded video is not sufficiently escaped when passed …

  • High 8.3

    Link targets allow arbitrary script execution

    Insufficient macro permission validation of The Document Foundation LibreOffice allows an attacker to execute built-in macros without warning. In affected versions LibreOffice supports hyperlinks with macro or similar built-in command targets that can be exec…

References

  • report
    https://ubuntu.com/security/CVE-2023-6185
  • report
    https://ubuntu.com/security/CVE-2023-6186