Vulnerabilities > GNU > Grub2

DATE CVE VULNERABILITY TITLE RISK
2023-07-20 CVE-2022-28734 Out-of-bounds Write vulnerability in multiple products
Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position.
network
high complexity
gnu netapp CWE-787
7.0
2023-07-20 CVE-2022-28735 Unspecified vulnerability in GNU Grub2
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems.
local
low complexity
gnu
7.8
2023-07-20 CVE-2022-28736 Use After Free vulnerability in GNU Grub2
There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2.
local
low complexity
gnu CWE-416
7.8
2022-12-19 CVE-2022-3775 When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and height is constrained within bitmap size.
local
low complexity
gnu redhat
7.1
2022-12-14 CVE-2022-2601 A buffer overflow was found in grub_font_construct_glyph().
local
low complexity
gnu redhat fedoraproject
8.6
2022-07-06 CVE-2021-3695 Out-of-bounds Write vulnerability in multiple products
A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area.
local
high complexity
gnu fedoraproject redhat netapp CWE-787
4.5
2022-07-06 CVE-2021-3696 Out-of-bounds Write vulnerability in multiple products
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader.
local
high complexity
gnu redhat netapp CWE-787
4.5
2022-07-06 CVE-2021-3697 Out-of-bounds Write vulnerability in multiple products
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap.
local
high complexity
gnu redhat CWE-787
7.0
2022-03-16 CVE-2021-46705 Unspecified vulnerability in GNU Grub2
A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files.
local
low complexity
gnu
4.4
2022-03-10 CVE-2021-3981 A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content.
local
low complexity
gnu fedoraproject
3.3