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.
Fixes

Solution

No solution given by the vendor.


Workaround

Do not process untrusted JPEG files with grub2.

History

Mon, 16 Jun 2025 14:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10

Wed, 14 May 2025 03:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9

Tue, 13 May 2025 19:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9::baseos
References

Wed, 05 Mar 2025 20:45:00 +0000

Type Values Removed Values Added
References

Wed, 19 Feb 2025 14:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 18 Feb 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 18 Feb 2025 18:45:00 +0000

Type Values Removed Values Added
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.
Title Grub2: reader/jpeg: heap oob write during jpeg parsing
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-787
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-07-29T09:39:10.746Z

Reserved: 2024-09-08T01:57:12.947Z

Link: CVE-2024-45774

cve-icon Vulnrichment

Updated: 2025-02-18T18:54:14.100Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-02-18T19:15:16.387

Modified: 2025-05-13T20:15:24.610

Link: CVE-2024-45774

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-02-18T00:00:00Z

Links: CVE-2024-45774 - Bugzilla

cve-icon OpenCVE Enrichment

No data.