VULNERABILITY INTELLIGENCE

CVE-2020-14308

CVSS score6.4 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2020-07-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-190

Primary references