# GNU grub2.

Every CVE that names GNU grub2 among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base address](https://agentprime.io/advisories/CVE-2026-97876.md)
  `CVE-2026-97876` · CVE record: GNU grub2 · CVSS 6.4 Medium · Not analysed yet · Published 2 Oct 2026 · Tags: Memory corruption
- [Grub2: use-after-free in net_set_vlan](https://agentprime.io/advisories/CVE-2025-54770.md)
  `CVE-2025-54770` · CVE record: GNU grub2 and 4 more · CVSS 4.9 Medium · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [Grub2: missing unregister call for normal_exit command may lead to use-after-free](https://agentprime.io/advisories/CVE-2025-61664.md)
  `CVE-2025-61664` · CVE record: GNU grub2 and 4 more · CVSS 4.9 Medium · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [Grub2: missing unregister call for normal commands may lead to use-after-free](https://agentprime.io/advisories/CVE-2025-61663.md)
  `CVE-2025-61663` · CVE record: GNU grub2 and 4 more · CVSS 4.9 Medium · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [Grub2: missing unregister call for gettext command may lead to use-after-free](https://agentprime.io/advisories/CVE-2025-61662.md)
  `CVE-2025-61662` · CVE record: GNU grub2 and 4 more · CVSS 7.8 High · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [Grub2: grub2: out-of-bounds write via malicious usb device](https://agentprime.io/advisories/CVE-2025-61661.md)
  `CVE-2025-61661` · CVE record: GNU grub2 and 4 more · CVSS 4.8 Medium · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [Grub2: use-after-free in grub_file_close()](https://agentprime.io/advisories/CVE-2025-54771.md)
  `CVE-2025-54771` · CVE record: GNU grub2 and 4 more · CVSS 4.9 Medium · Not analysed yet · Published 18 Nov 2025 · Tags: Memory corruption
- [GNU GRUB2: GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for…](https://agentprime.io/advisories/CVE-2024-56738.md)
  `CVE-2024-56738` · CVE record: GNU GRUB2 · CVSS 5.3 Medium · Not analysed yet · Published 29 Dec 2024 · Tags: CWE-208
- [Heap-based buffer overflow in GNU GRUB2](https://agentprime.io/advisories/CVE-2024-56737.md)
  `CVE-2024-56737` · CVE record: GNU GRUB2 · CVSS 8.8 High · Not analysed yet · Published 29 Dec 2024 · Tags: Memory corruption

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=gnu-grub2>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/gnu-grub2/>. Everything for agents: <https://agentprime.io/llms.txt>.