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Alerts This Week
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Debian 12 LibreOffice Critical Denial of Service Vulnerabilities DLA-4633-1

debian lts
Calendar Grey June 17, 2026
Dist Debian Esm H88
Debian LTS DLA-4633-1 addresses multiple security issues in LibreOffice that may allow Denial of Service and arbitrary code execution.
Multiple security vulnerabilities were discovered in LibreOffice, which could result in denial of service or potentially the execution of arbitrary code if malformed files are open...

Summary

For Debian 12 bookworm, these problems have been fixed in version
4:7.4.7-1+deb12u13.

We recommend that you upgrade your libreoffice packages.

For the detailed security status of libreoffice please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libreoffice

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
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Critical

Package: libreoffice
Version: 4:7.4.7-1+deb12u13
CVE ID: CVE-2026-6039 CVE-2026-6045 CVE-2026-8356 CVE-2026-8357

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