What the vulnerability does

01Description

A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Key dates

02Disclosure timeline

March 3, 2021 CVE published
August 3, 2024 Record updated