Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-12-08T21:19:38

Updated: 2024-08-04T04:03:06.895Z

Reserved: 2021-11-08T00:00:00

Link: CVE-2021-43543

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-12-08T22:15:09.947

Modified: 2022-12-09T15:08:22.207

Link: CVE-2021-43543

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-12-07T00:00:00Z

Links: CVE-2021-43543 - Bugzilla