{"schema_version":1,"title":"Gnu Grub2 vulnerabilities","summary":"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.","url":"https://junglewise.ai/threats/technologies/grub2","json_url":"https://junglewise.ai/threats/technologies/grub2.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/grub2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":5},"latest":[{"cve":"CVE-2025-61664","cvss":4.9,"epss":0.0002,"slug":"cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command","title":"GNU GRUB2 use after free in normal_exit command","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:50.61+00:00","url":"https://junglewise.ai/threats/cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command"},{"cve":"CVE-2025-61663","cvss":4.9,"epss":0.0011,"slug":"cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module","title":"GNU GRUB2 Use-after-Free in normal command module","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:50.387+00:00","url":"https://junglewise.ai/threats/cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module"},{"cve":"CVE-2025-61662","cvss":7.8,"epss":0.0002,"slug":"cve-2025-61662-gnu-grub-use-after-free-in-gettext-module","title":"GNU GRUB use-after-free in gettext module","severity":"high","exploited":false,"published_at":"2025-11-18T19:15:50.203+00:00","url":"https://junglewise.ai/threats/cve-2025-61662-gnu-grub-use-after-free-in-gettext-module"},{"cve":"CVE-2025-54771","cvss":4.9,"epss":0.0002,"slug":"cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close","title":"GNU GRUB use-after-free in grub_file_close","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:49.42+00:00","url":"https://junglewise.ai/threats/cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close"},{"cve":"CVE-2025-54770","cvss":4.9,"epss":0.0002,"slug":"cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command","title":"GNU GRUB2 Use-after-Free in net_set_vlan command","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:49.2+00:00","url":"https://junglewise.ai/threats/cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Gnu Binutils","slug":"binutils","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/binutils"},{"name":"Gnu Glibc","slug":"glibc","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/glibc"},{"name":"GnuTLS","slug":"gnutls","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/gnutls"},{"name":"Gnu LibreDWG","slug":"libredwg","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/libredwg"},{"name":"Gnu Emacs","slug":"emacs","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/emacs"},{"name":"GNU tar","slug":"tar","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/tar"},{"name":"Gnu Bash","slug":"bash","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/bash"},{"name":"GNU C Library","slug":"gnu-c-library","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/gnu-c-library"},{"name":"Gnu Wget","slug":"wget","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/wget"},{"name":"GNU Coreutils","slug":"coreutils","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/coreutils"},{"name":"Gnu Cpio","slug":"cpio","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/cpio"},{"name":"Gnu Gawk","slug":"gawk","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/gawk"}],"technology":{"hub":true,"name":"Gnu Grub2","slug":"grub2","vendor":{"name":"Gnu","slug":"gnu","url":"https://junglewise.ai/threats/vendors/gnu"},"aliases":[],"category":"bootloader","homepage":"https://www.gnu.org/software/grub/","repo_url":"https://git.savannah.gnu.org/git/grub.git","description":"GRUB 2 is a multiboot bootloader used to load and manage the boot process of various operating systems.","url":"https://junglewise.ai/threats/technologies/grub2"},"most_severe":[{"cve":"CVE-2025-61662","cvss":7.8,"epss":0.0002,"slug":"cve-2025-61662-gnu-grub-use-after-free-in-gettext-module","title":"GNU GRUB use-after-free in gettext module","severity":"high","exploited":false,"published_at":"2025-11-18T19:15:50.203+00:00","url":"https://junglewise.ai/threats/cve-2025-61662-gnu-grub-use-after-free-in-gettext-module"},{"cve":"CVE-2025-61663","cvss":4.9,"epss":0.0011,"slug":"cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module","title":"GNU GRUB2 Use-after-Free in normal command module","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:50.387+00:00","url":"https://junglewise.ai/threats/cve-2025-61663-gnu-grub2-use-after-free-in-normal-command-module"},{"cve":"CVE-2025-61664","cvss":4.9,"epss":0.0002,"slug":"cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command","title":"GNU GRUB2 use after free in normal_exit command","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:50.61+00:00","url":"https://junglewise.ai/threats/cve-2025-61664-gnu-grub2-use-after-free-in-normal-exit-command"},{"cve":"CVE-2025-54771","cvss":4.9,"epss":0.0002,"slug":"cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close","title":"GNU GRUB use-after-free in grub_file_close","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:49.42+00:00","url":"https://junglewise.ai/threats/cve-2025-54771-gnu-grub-use-after-free-in-grub-file-close"},{"cve":"CVE-2025-54770","cvss":4.9,"epss":0.0002,"slug":"cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command","title":"GNU GRUB2 Use-after-Free in net_set_vlan command","severity":"medium","exploited":false,"published_at":"2025-11-18T19:15:49.2+00:00","url":"https://junglewise.ai/threats/cve-2025-54770-gnu-grub2-use-after-free-in-net-set-vlan-command"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}