CVE-2020-10566

grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
VendorProductVersion
freebsdfreebsd
𝑥
< 525916_2020-02-12
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://svnweb.freebsd.org/ports?view=revision&revision=525916
https://svnweb.freebsd.org/ports?view=revision&revision=525916