{"cve":"CVE-2020-14308","nvd":{"published":"2020-07-29T20:15:12.397","modified":"2026-06-17T02:54:30.473","status":"Modified","description":"In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.4},"cwes":["CWE-190"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html","http://www.openwall.com/lists/oss-security/2020/07/29/3","http://www.openwall.com/lists/oss-security/2021/09/17/2","http://www.openwall.com/lists/oss-security/2021/09/17/4"],"products":["gnu:grub2","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-14308","score":0.00432,"percentile":0.37536,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}