GRUB2 (HFS filesystem parser): Integer overflow computing internal buffer sizes from HFS metadata, leading to a heap

CVE-2025-1125Firmware, BMC & network fabricGRUB2 2025 batchcurated

Impact

Integer overflow computing internal buffer sizes from HFS metadata, leading to a heap out-of-bounds write.

Who can reach it

Attacker-supplied HFS volume, physical or virtual media.

What to do

grub2 package update + reboot; or build GRUB without HFS support.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1125 https://www.openwall.com/lists/oss-security/2025/02/18/3

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.