High
CVE-2022-1802 CVSS:8.8
Mozilla Firefox, Firefox ESR, Firefox for Android and Thunderbird could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution flaw in the Top-Level Await implementation. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service condition.
CVE-2022-1529 CVSS:8.8
Mozilla Firefox, Firefox ESR, Firefox for Android and Thunderbird could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution flaw in the JavaScript object indexing. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service condition.
Refer to Mozilla Foundation Security Advisory for patch, upgrade or suggested workaround information.