# CVE-2024-56737: grub2: GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS file...

CVE-2024-56737 is fixed in 25 products on 1 platform, first by DEBIAN-CVE-2024-56737, released December 29, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-56737
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0072
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 29, 2024

## Description

GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | grub2 Debian 13.5 (trixie) | 2.12-6 | [DEBIAN-CVE-2024-56737](https://patchblox.com/security/data/fix/linux/debian-cve-2024-56737.md) | Dec 29, 2024 |
| Linux | grub2 Debian 14 | 2.12-6 | [DEBIAN-CVE-2024-56737](https://patchblox.com/security/data/fix/linux/debian-cve-2024-56737.md) | Dec 29, 2024 |
| Linux | grub2 opensuse-leap 15.6 | 2.12-150600.8.18.2 | [SUSE-SU-2025:0586-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0586-1.md) | Feb 19, 2025 |
| Linux | grub2 sles 15.6 | 2.12-150600.8.18.2 | [SUSE-SU-2025:0586-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0586-1.md) | Feb 19, 2025 |
| Linux | grub2-common amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-debugsource amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-aa64 amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-aa64-cdboot amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-aa64-ec2 amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-aa64-modules amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-x64 amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-x64-cdboot amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-x64-ec2 amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-efi-x64-modules amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-emu amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-emu-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-emu-modules amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-pc amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-pc-modules amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-efi amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-efi-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-extra amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-extra-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-minimal amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |
| Linux | grub2-tools-minimal-debuginfo amzn 2023 | 1:2.06-61.amzn2023.0.14 | [ALAS2023-2025-847](https://patchblox.com/security/data/fix/linux/alas2023-2025-847.md) | Feb 12, 2025 |

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