CVE-2024-45776 – Grub2 MO File Integer Overflow Vulnerability

The following table lists the changes that have been made to the
CVE-2024-45776 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 18, 2025

    Action Type Old Value New Value
    Added Description When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.
    Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
    Added Reference https://access.redhat.com/security/cve/CVE-2024-45776
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2339182
Share the Post:

Related Posts