{"id":"ALSA-2021:4198","summary":"Moderate: edk2 security, bug fix, and enhancement 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\nThe following packages have been upgraded to a later upstream version: edk2 (20210527gite1999b264f1f). (BZ#1846481, BZ#1938238)\n\nSecurity Fix(es):\n\n* openssl: integer overflow in CipherUpdate (CVE-2021-23840)\n\n* openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T02:22:31.818359Z","published":"2021-11-09T08:37:02Z","related":["CVE-2021-23840","CVE-2021-23841"],"references":[{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-23840"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-23841"}],"affected":[{"package":{"name":"edk2-ovmf","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/edk2-ovmf"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20210527gite1999b264f1f-3.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4198.json"}}],"schema_version":"1.7.3"}