CVE-2024-45774: Memory Corruption (CVSS 6.7)

Description

A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

References

Other References

https://access.redhat.com/errata/RHSA-2025:6990 https://access.redhat.com/security/cve/CVE-2024-45774 https://bugzilla.redhat.com/show_bug.cgi?id=2337461 https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html

Frequently Asked Questions

What is CVE-2024-45774? +

A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2024-45774? +

CVE-2024-45774 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-45774? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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