Known Vulnerabilities for Grub2 by Gnu

Listed below are 10 of the newest known vulnerabilities associated with "Grub2" by "Gnu".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2021-20233 A flaw was found in grub2 in versions prior to 2.06. Setparam_prefix() in the menu rendering code performs a length calculati... 8.2 - HIGH 2021-03-03 2023-11-07
CVE-2021-20225 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-all... 6.7 - MEDIUM 2021-03-03 2023-11-07
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 all... 3.3 - LOW 2022-03-10 2024-01-16
CVE-2021-3697 A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in h... 7 - HIGH 2022-07-06 2023-09-13
CVE-2021-3696 A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corrupti... 4.5 - MEDIUM 2022-07-06 2023-09-13
CVE-2021-3695 A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of th... 4.5 - MEDIUM 2022-07-06 2023-09-13
CVE-2021-3418 If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without sig... 6.4 - MEDIUM 2021-03-15 2021-03-22
CVE-2020-14309 There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with na... 6.7 - MEDIUM 2020-07-30 2022-04-28
CVE-2020-14308 In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allo... 6.4 - MEDIUM 2020-07-29 2022-04-18
CVE-2020-10713 A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verificat... 8.2 - HIGH 2020-07-30 2022-11-16

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationGnuGrub22.06AllAllAll
ApplicationGnuGrub22.04AllAllAll
ApplicationGnuGrub22.02AllAllAll
ApplicationGnuGrub22.01AllAllAll
ApplicationGnuGrub22.00AllAllAll
ApplicationGnuGrub21.99AllAllAll
ApplicationGnuGrub21.98AllAllAll
ApplicationGnuGrub2-AllAllAll
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