Arch Linux Security Advisory ASA-202103-9 ========================================= Severity: High Date : 2021-03-13 CVE-ID : CVE-2021-21191 CVE-2021-21192 CVE-2021-21193 Package : chromium Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-1683 Summary ======= The package chromium before version 89.0.4389.90-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 89.0.4389.90-1. # pacman -Syu "chromium>=89.0.4389.90-1" The problems have been fixed upstream in version 89.0.4389.90. Workaround ========== None. Description =========== - CVE-2021-21191 (arbitrary code execution) A use after free security issue was found in the WebRTC component of the Chromium browser before version 89.0.4389.90. - CVE-2021-21192 (arbitrary code execution) A heap buffer overflow security issue was found in the tab groups component of the Chromium browser before version 89.0.4389.90. - CVE-2021-21193 (arbitrary code execution) A use after free security issue was found in the Blink component of the Chromium browser before version 89.0.4389.90. Google is aware of reports that an exploit for this issue exists in the wild. Impact ====== A remote attacker can execute arbitrary code on the affected host. Google is aware of reports that an exploit for CVE-2021-21193 exists in the wild. References ========== https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desk... https://crbug.com/1167357 https://crbug.com/1181387 https://crbug.com/1186287 https://security.archlinux.org/CVE-2021-21191 https://security.archlinux.org/CVE-2021-21192 https://security.archlinux.org/CVE-2021-21193