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Status published
Unknown
CVE-2022-2601
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted...
Vulnerability Description
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from n/a
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Affected Vendor
Affected Software
grub2
Vulnerable Versions:
grub2 2.06 and lower
Timeline
Official Publish:
December 14th, 2022
Last Modified:
May 27th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available