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As of 11/08/2026, grub2 in Ubuntu recorded 0 security vulnerabilities in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of grub2 in Ubuntu and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2020-15707GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow.CVE-2020-15706GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing.CVE-2020-15705GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2020-15707GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow. | Exploitation statusNot confirmed | FixYes | Published07/29/2020 | SeverityMedium |
CVE-2020-15706GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing. | Exploitation statusNot confirmed | FixYes | Published07/29/2020 | SeverityMedium |
CVE-2020-15705GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim | Exploitation statusNot confirmed | FixYes | Published07/29/2020 | SeverityMedium |
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