Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2022-2601

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.

  • Published: Dec 14, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2022-2601
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H