Multiple Vulnerabilities Found in grub2 Affecting Data Integrity and Availability
First seen 26 Feb 2026, 09:11 UTC
•
•63
Export
Article Content
Browse articles
Two vulnerabilities, CVE-2021-20225 and CVE-2021-20233, were discovered in grub2 versions prior to 2.06. CVE-2021-20225 allows attackers to write past the end of a heap, while CVE-2021-20233 enables memory corruption due to incorrect length calculations in menu rendering code. Both flaws pose risks to data confidentiality, integrity, and system availability.
Analyzing cluster data...
Referenced clusters:
Something went wrong. Please try again.
Timeline
2021-03-03
CVE-2021-20225 published
2021-03-03
CVE-2021-20233 published
2026-02-26
Information published about vulnerabilities
More articles in this cluster
Continue Reading
Critical UEFI Secure Boot Bypass Vulnerability Discovered
SUSE and openSUSE Address Moderate grub2 Vulnerabilities
SUSE and openSUSE Address Multiple grub2 Vulnerabilities
SUSE and openSUSE Address Multiple grub2 Vulnerabilities
Multiple Grub2 Vulnerabilities Discovered Leading to Use-After-Free Issues