CVE-2021-28211

6.7 mediumEPSS 0.4%

Medium (6.7) in tianocore edk2. EPSS 0.4% chance of exploitation in the next 30 days.

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

Severity

6.7 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-122
Published: 2021-06-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19