Buffer overflow in Gnu Grub2
CVE-2025-1125
When reading data from a hfs filesystem, grub's hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A malicio…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-1125?
- CVE-2025-1125 is a high-severity vulnerability in Gnu Grub2, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-03-03.
- How severe is CVE-2025-1125?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-1125 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.