Ubuntu grub2 in Ubuntu

3 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2020-1570720.04 LTS – < 2.04-1ubuntu26.1 ; 18.04 LTS – < 2.02-2ubuntu8.16 ; 16.04 LTS – < 2.02~beta2-36ubuntu3.26 ; …GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow.MEDIUM 6.41.6 %
CVE-2020-1570620.04 LTS – < 2.04-1ubuntu26.1 ; 18.04 LTS – < 2.02-2ubuntu8.16 ; 16.04 LTS – < 2.02~beta2-36ubuntu3.26 ; …GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same…MEDIUM 6.41.0 %
CVE-2020-1570520.04 LTS – < 2.04-1ubuntu26.1 ; 18.04 LTS – < 2.02-2ubuntu8.16 ; 16.04 LTS – < 2.02~beta2-36ubuntu3.26 ; …GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shimMEDIUM 6.41.4 %