This update for chromium fixes the following issues:
Chromium 91.0.4472.114 (boo#1187481)
CVE-2021-30554: Use after free in WebGL * CVE-2021-30555: Use after free in Sharing * CVE-2021-30556: Use after free in WebAudio * CVE-2021-30557: Use after free in TabGroups * CVE-2021-30544: Use after free in BFCache * CVE-2021-30545: Use after free in Extensions * CVE-2021-30546: Use after free in Autofill * CVE-2021-30547: Out of bounds write in ANGLE * CVE-2021-30548: Use after free in Loader * CVE-2021-30549: Use after free in Spell check * CVE-2021-30550: Use after free in Accessibility * CVE-2021-30551: Type Confusion in V8 * CVE-2021-30552: Use after free in Extensions * CVE-2021-30553: Use after free in Network service * Fix use-after-free in SendTabToSelfSubMenuModel * Destroy system-token NSSCertDatabase on the IO thread * Various fixes from internal audits, fuzzing and other initiatives