[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNWFSePZNLz17k7Sq3qYcrAN_ex9sQz3bRWwImKabDyc":3,"g5a-ex:gnu\u002Fgrub2@*":127,"g5a-family:gnu\u002Fgrub2":129},{"success":4,"data":5},true,{"product":6,"versions":37,"topVulnerabilitiesByEpss":48,"kevVulnerabilities":104,"seoMetadata":105,"meta":124},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":11,"lastCveUpdate":12,"versions":13,"description":36},"gnu","grub2",10,43,0,"2025-03-03",[14,18,20,22,24,26,28,30,32,34],{"version":15,"cve_count":16,"kev_count":11,"has_kev":17},"1.98",1,false,{"version":19,"cve_count":16,"kev_count":11,"has_kev":17},"1.99",{"version":21,"cve_count":16,"kev_count":11,"has_kev":17},"2.00",{"version":23,"cve_count":16,"kev_count":11,"has_kev":17},"2.01",{"version":25,"cve_count":16,"kev_count":11,"has_kev":17},"2.02",{"version":27,"cve_count":11,"kev_count":11,"has_kev":17},"2.04",{"version":29,"cve_count":11,"kev_count":11,"has_kev":17},"2.06",{"version":31,"cve_count":11,"kev_count":11,"has_kev":17},"2.06-150400.7.1",{"version":33,"cve_count":11,"kev_count":11,"has_kev":17},"2.06-18.1",{"version":35,"cve_count":11,"kev_count":11,"has_kev":17},"2.12","Grub2 by Gnu is a technology product with 10 tracked versions and 43 known security vulnerabilities. Get comprehensive security analysis, vulnerability tracking, and threat intelligence for this product.",[38,39,40,41,42,43,44,45,46,47],{"version":15,"cve_count":16,"kev_count":11,"has_kev":17},{"version":19,"cve_count":16,"kev_count":11,"has_kev":17},{"version":21,"cve_count":16,"kev_count":11,"has_kev":17},{"version":23,"cve_count":16,"kev_count":11,"has_kev":17},{"version":25,"cve_count":16,"kev_count":11,"has_kev":17},{"version":27,"cve_count":11,"kev_count":11,"has_kev":17},{"version":29,"cve_count":11,"kev_count":11,"has_kev":17},{"version":31,"cve_count":11,"kev_count":11,"has_kev":17},{"version":33,"cve_count":11,"kev_count":11,"has_kev":17},{"version":35,"cve_count":11,"kev_count":11,"has_kev":17},[49,57,64,68,74,79,84,90,95,100],{"cveId":50,"description":51,"publishedDate":52,"cvssScore":53,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":56},"CVE-2020-14372","A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability.","2021-03-03",7.5,"v3.1","High",0.01738,{"cveId":58,"description":59,"publishedDate":60,"cvssScore":61,"cvssVersion":54,"severity":62,"isKev":17,"epssScore":63},"CVE-2020-15707","Integer overflows were discovered in the functions grub_cmd_initrd and grub_initrd_init in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu (the functionality is not included in GRUB2 upstream), leading to a heap-based buffer overflow. These could be triggered by an extremely large number of arguments to the initrd command on 32-bit architectures, or a crafted filesystem with very large files on any architecture. An attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. This issue affects GRUB2 version 2.04 and prior versions.","2020-07-29",6.4,"Medium",0.01588,{"cveId":65,"description":66,"publishedDate":60,"cvssScore":61,"cvssVersion":54,"severity":62,"isKev":17,"epssScore":67},"CVE-2020-15705","GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.",0.01434,{"cveId":69,"description":70,"publishedDate":71,"cvssScore":72,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":73},"CVE-2022-28733","Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a small integer number which will be used in memory allocation. If the attack succeeds in such way, subsequent operations can write past the end of the buffer.","2023-07-20",8.1,0.01284,{"cveId":75,"description":76,"publishedDate":52,"cvssScore":77,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":78},"CVE-2020-25632","A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",8.2,0.01152,{"cveId":80,"description":81,"publishedDate":71,"cvssScore":82,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":83},"CVE-2022-28734","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. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata.",7,0.01131,{"cveId":85,"description":86,"publishedDate":87,"cvssScore":88,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":89},"CVE-2015-8370","Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, obtain sensitive information, or cause a denial of service (disk corruption) via backspace characters in the (1) grub_username_get function in grub-core\u002Fnormal\u002Fauth.c or the (2) grub_password_get function in lib\u002Fcrypto.c, which trigger an \"Off-by-two\" or \"Out of bounds overwrite\" memory error.","2015-12-16",7.4,0.01104,{"cveId":91,"description":92,"publishedDate":93,"cvssScore":77,"cvssVersion":54,"severity":55,"isKev":17,"epssScore":94},"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 verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access to the system such as gaining physical access, obtain the ability to alter a pxe-boot network, or have remote access to a networked system with root access. With this access, an attacker could then craft a string to cause a buffer overflow by injecting a malicious payload that leads to arbitrary code execution within GRUB. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","2020-07-30",0.01068,{"cveId":96,"description":97,"publishedDate":52,"cvssScore":98,"cvssVersion":54,"severity":62,"isKev":17,"epssScore":99},"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-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",6.7,0.01017,{"cveId":101,"description":102,"publishedDate":60,"cvssScore":61,"cvssVersion":54,"severity":62,"isKev":17,"epssScore":103},"CVE-2020-15706","GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.",0.00977,[],{"title":106,"metaDescription":107,"keywords":108,"structuredData":109},"Grub2 by Gnu - Security Vulnerabilities & Analysis | EdgeProtect","Comprehensive security analysis for Grub2 by Gnu covering 10 versions with 43 tracked vulnerabilities. Real-time threat intelligence, CVE tracking, and security recommendations.","Grub2 vulnerabilities, Grub2 security, Grub2 CVE, Gnu Grub2, Grub2 threat intelligence, Gnu security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking",{"@context":110,"@type":111,"name":112,"description":107,"url":113,"manufacturer":114,"applicationCategory":118,"softwareVersion":119,"mainEntity":120},"https:\u002F\u002Fschema.org","SoftwareApplication","Grub2","https:\u002F\u002Fedgeprotect.io\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fgnu\u002Fgrub2",{"@type":115,"name":116,"url":117},"Organization","Gnu","https:\u002F\u002Fedgeprotect.io\u002Fvendors\u002Fgnu","Security Software","10 versions tracked",{"@type":121,"name":122,"description":123,"vulnerabilityCount":10,"dateModified":12},"SecurityVulnerability","Grub2 Security Vulnerabilities","Security vulnerabilities affecting Grub2 by Gnu",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":11,"lastUpdated":12,"generatedAt":125,"apiVersion":126},"2026-10-28T14:24:29.420Z","3.0",{"rows":128,"total":11,"capped":17,"failed":11},[],[]]