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    CVE-2024-45777

    A flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2's sensitive heap data, eventually leading to the circumvention of secure boot protections.

    Published:Feb 18, 2025
    Last Modified:Jun 29, 2026
    EPS:Feb 19, 2025
    EPSS Score:0.00231
    CVSS Score:6.7

    Affected Products

    Vendor
    Gnu
    Product
    Grub2
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-61662 (CVSS 7.8) — A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programmin…
    CVE-2024-45779 (CVSS 6) — An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirec…
    CVE-2025-1125 (CVSS 7.8) — When reading data from a hfs filesystem, grub's hfs filesystem module uses user-controlled parameters from the…
    CVE-2025-0686 (CVSS 6.4) — A flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub's romfs filesystem m…
    CVE-2025-0689 (CVSS 7.8) — When reading data from disk, the grub's UDF filesystem module utilizes the user controlled data length metadat…
    CVE-2025-0684 (CVSS 6.4) — A flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub's reiserfs fs mod…
    CVE-2025-0685 (CVSS 6.4) — A flaw was found in grub2. When reading data from a jfs filesystem, grub's jfs filesystem module uses user-con…
    CVE-2024-45782 (CVSS 7.8) — A flaw was found in the HFS filesystem. When reading an HFS volume's name at grub_fs_mount(), the HFS filesyst…
    CVE-2024-45778 (CVSS 4.1) — A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncont…
    CVE-2025-0678 (CVSS 7.8) — A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-con…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High