A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-ia32-cdbootUpgrade grub2-pc-modulesUpgrade grub2-tools-extraUpgrade grub2-ppc64leUpgrade grub2-efi-aa64Upgrade grub2-commonUpgrade grub2-efi-ia32Upgrade grub2-tools-efiUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-minimalUpgrade grub2-ppc64le-modulesUpgrade grub2-efi-x64Upgrade grub2-efi-ia32-modulesUpgrade grub2-toolsUpgrade grub2-pc | Mar 18, 2026 | Mar 16, 2026 |
| Amazon Linux Ami 2 | — | Upgrade grub2-emu-modulesUpgrade grub2-efi-aa64Upgrade grub2-pc-modulesUpgrade grub2-pcUpgrade grub2Upgrade grub2-commonUpgrade grub2-emuUpgrade grub2-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-x64-ec2Upgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-efi-aa64-cdbootUpgrade grub2-tools-minimalUpgrade grub2-efi-x64Upgrade grub2-efi-aa64-ec2Upgrade grub2-efi-x64-modulesUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade grub2-emu-debuginfoUpgrade grub2-emu-modulesUpgrade grub2-tools-extraUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-debuginfoUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-minimalUpgrade grub2-debugsourceUpgrade grub2-toolsUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-debuginfoUpgrade grub2-efi-aa64-ec2Upgrade grub2-tools-efiUpgrade grub2-emuUpgrade grub2-pc-modulesUpgrade grub2-pcUpgrade grub2-efi-aa64-cdbootUpgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-aa64Upgrade grub2-efi-x64-ec2Upgrade grub2-commonUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-x64 | Jan 12, 2026 | Nov 18, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade grub2-commonUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-aa64Upgrade grub2-toolsUpgrade grub2-tools-minimalUpgrade grub2-tools-extra | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade grub2-tools-minimalUpgrade grub2-efi-aa64Upgrade grub2-tools-extraUpgrade grub2-toolsUpgrade grub2-efi-aa64-modulesUpgrade grub2-common | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade grub2-toolsUpgrade grub2-efi-aa64Upgrade grub2-tools-minimalUpgrade grub2-tools-extraUpgrade grub2-efi-aa64-modulesUpgrade grub2-common | Feb 3, 2026 | Feb 2, 2026 |
| Nutanix Ahv | — | Upgrade Nutanix AHV to the latest version | Jun 5, 2026 | Jun 2, 2026 |
| Oracle_linux | — | Upgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-x64Upgrade grub2-efi-ia32-modulesUpgrade grub2-toolsUpgrade grub2-efi-ia32-cdbootUpgrade grub2-efi-x64-cdbootUpgrade grub2Upgrade grub2-pcUpgrade grub2-tools-efiUpgrade grub2-efi-aa64Upgrade grub2-efi-ia32Upgrade grub2-efi-x64-modulesUpgrade grub2-commonUpgrade grub2-pc-modulesUpgrade grub2-efi-aa64-modulesUpgrade grub2-tools-minimalUpgrade grub2-tools-extra | Mar 18, 2026 | Nov 18, 2025 |
| Redhat Openshift | — | Upgrade rhcos | Aug 10, 2026 | Nov 18, 2025 |
| Redhat_linux | — | Upgrade grub2-ppc-modulesUpgrade grub2-efi-ia32-cdbootUpgrade grub2-efi-ia32-modulesUpgrade grub2-toolsUpgrade grub2-ppc64le-modulesUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-modulesUpgrade grub2-pcUpgrade grub2Upgrade grub2-commonUpgrade grub2-debuginfoUpgrade grub2-efi-x64Upgrade grub2-emu-debuginfoUpgrade grub2-ppc64-modulesUpgrade grub2-tools-efiUpgrade grub2-efi-ia32Upgrade grub2-pc-modulesUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-extraUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-debuginfoUpgrade grub2-debugsourceUpgrade grub2-tools-extra-debuginfoUpgrade grub2-tools-minimalUpgrade grub2-tools-minimal-debuginfo | Mar 18, 2026 | Nov 18, 2025 |
| Rocky_linux | — | Upgrade grub2-efi-ia32-cdbootUpgrade grub2-efi-x64Upgrade grub2-tools-extra-debuginfoUpgrade grub2-tools-debuginfoUpgrade grub2-tools-efi-debuginfoUpgrade grub2-pcUpgrade grub2-debugsourceUpgrade grub2-tools-minimalUpgrade grub2-debuginfoUpgrade grub2-efi-ia32Upgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-tools-efiUpgrade grub2-efi-x64-cdboot | May 25, 2026 | May 21, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Nov 18, 2025 |
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