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Debian LTS grub2 Critical Code Execution Risk DLA-4685-1

debian lts
Calendar Grey July 15, 2026
Dist Debian Esm H88
Critical grub2 update in Debian LTS fixes multiple issues preventing UEFI Secure Boot bypass and arbitrary code execution.
Several issues were found in the GRUB2 bootloader, which could result in crashes and potentially execution of arbitrary code
Topics%20covered

Topics Covered

security advisory critical code execution debian bypass grub2

Summary

For Debian 11 bullseye, these problems have been fixed in version
2.06-3~deb11u7.

We recommend that you upgrade your grub2 packages.

For the detailed security status of grub2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/grub2

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
High
Critical

Package: grub2
Version: 2.06-3~deb11u7
CVE ID: CVE-2024-45774 CVE-2024-45775 CVE-2024-45776 CVE-2024-45777

Topics%20covered

Topics Covered

security advisory critical code execution debian bypass grub2

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