CVE catalog
CVE-2024-45781
grub2: CVE-2024-45781
- Severity
- Medium · CVSS 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.30% · Oct 25, 2026
A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | grub2 | sid | 2.14-4 | fixed |
| Debian | grub2 | forky | 2.14-4 | fixed |
| Debian | grub2 | trixie | 2.12-9+deb13u2 | fixed |
| Debian | grub2 | bookworm | 2.06-13+deb12u2 | fixed |
| Debian | grub2 | bookworm-security | 2.06-13+deb12u1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | grub2 | source | sid | 2.12-6 | not yet assigned | Not reported | [1098319] |
| Debian | grub2 | source | forky | 2.12-6 | not yet assigned | Not reported | [1098319] |
| Debian | grub2 | source | trixie | 2.12-6 | not yet assigned | Not reported | [1098319] |
| Debian | grub2 | source | bookworm | 2.06-13+deb12u2 | not yet assigned | Not reported | [1098319] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/essa-2025_2835.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2024-45781]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2024-45781]
- [https://security-tracker.debian.org/tracker/CVE-2024-45781]
- [https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-45781.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0396.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]