An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.
https://www.mozilla.org/security/advisories/mfsa2023-05/
https://bugzilla.mozilla.org/show_bug.cgi?id=1811331
Source: Mitre, NVD
Published: 2023-06-19
Updated: 2023-06-27
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H