{"id":"RLSA-2021:2591","summary":"Moderate: edk2 security update","details":"EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. \n\nSecurity Fix(es):\n\n* edk2: possible heap corruption with LzmaUefiDecompressGetInfo (CVE-2021-28211)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-03-11T05:59:25.514061Z","published":"2021-06-29T13:59:11Z","upstream":["CVE-2021-28211"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:2591"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1883529"}],"affected":[{"package":{"name":"edk2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/edk2?distro=rocky-linux-8-4-x86-64-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:20200602gitca407c7246bf-4.el8_4.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:2591.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}