CVE-2021-28211: Tianocore EDK2

Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days.

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

Affected products

• Tianocore EDK2: version 202008 only

Published 2021-06-11. Last modified 2026-06-17.