What’s Vulnerable › Vulnerabilities

CVE-2024-45774: Grub2: reader/jpeg: heap oob write during jpeg parsing

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-18 · updated 2026-10-21
• Weakness: CWE-787

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.

Affected products

• Red Hat OpenShift Container Platform 4.18: all versions
• Red Hat Enterprise Linux 8: all versions
• Red Hat Enterprise Linux 9: all versions — fixed in 1:2.06-104.el9_6

How to fix

Upgrade to a fixed version: Red Hat Enterprise Linux 9 1:2.06-104.el9_6. Check the vendor advisory for mitigations.

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

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