# Gnu Grub2 vulnerabilities

Source: https://junglewise.ai/threats/technologies/grub2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/grub2.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Gnu Grub2: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-61664, was published on 18 November 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About Gnu Grub2

GNU bootloader for loading Linux and other operating systems on x86 and x86-64 systems.

## Latest Gnu Grub2 vulnerabilities

- [CVE-2025-61664: GNU GRUB2 use after free in normal_exit command](https://junglewise.ai/threats/cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-61663: GNU GRUB2 Use-after-Free in normal command module](https://junglewise.ai/threats/cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-61662: GNU GRUB use-after-free in gettext module](https://junglewise.ai/threats/cve-2025-61662-gnu-grub-use-after-free-in-gettext-module) (high, CVSS 7.8, published 18 Nov 2025)
- [CVE-2025-54771: GNU GRUB use-after-free in grub_file_close](https://junglewise.ai/threats/cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-54770: GNU GRUB2 Use-after-Free in net_set_vlan command](https://junglewise.ai/threats/cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command) (medium, CVSS 4.9, published 18 Nov 2025)

## Most severe Gnu Grub2 vulnerabilities

- [CVE-2025-61662: GNU GRUB use-after-free in gettext module](https://junglewise.ai/threats/cve-2025-61662-gnu-grub-use-after-free-in-gettext-module) (high, CVSS 7.8, published 18 Nov 2025)
- [CVE-2025-61663: GNU GRUB2 Use-after-Free in normal command module](https://junglewise.ai/threats/cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-61664: GNU GRUB2 use after free in normal_exit command](https://junglewise.ai/threats/cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-54771: GNU GRUB use-after-free in grub_file_close](https://junglewise.ai/threats/cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close) (medium, CVSS 4.9, published 18 Nov 2025)
- [CVE-2025-54770: GNU GRUB2 Use-after-Free in net_set_vlan command](https://junglewise.ai/threats/cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command) (medium, CVSS 4.9, published 18 Nov 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Gnu technologies

- [Gnu Binutils](https://junglewise.ai/threats/technologies/binutils): 42 vulnerabilities
- [GnuTLS](https://junglewise.ai/threats/technologies/gnutls): 21 vulnerabilities
- [Gnu Glibc](https://junglewise.ai/threats/technologies/glibc): 20 vulnerabilities
- [Gnu LibreDWG](https://junglewise.ai/threats/technologies/libredwg): 14 vulnerabilities
- [Gnu Emacs](https://junglewise.ai/threats/technologies/emacs): 10 vulnerabilities
- [GNU tar](https://junglewise.ai/threats/technologies/tar): 10 vulnerabilities
- [Gnu C Library](https://junglewise.ai/threats/technologies/c-library): 9 vulnerabilities
- [Gnu Bash](https://junglewise.ai/threats/technologies/bash): 7 vulnerabilities
- [Gnu Wget](https://junglewise.ai/threats/technologies/wget): 7 vulnerabilities
- [Gnu Cpio](https://junglewise.ai/threats/technologies/cpio): 5 vulnerabilities
- [Gnu Aspell](https://junglewise.ai/threats/technologies/aspell): 4 vulnerabilities
- [GNU Coreutils](https://junglewise.ai/threats/technologies/coreutils): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Gnu Grub2 vulnerabilities", https://junglewise.ai/threats/technologies/grub2, 13 November 2026.