A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.
https://www.mozilla.org/security/advisories/mfsa2019-34/
https://bugzilla.mozilla.org/show_bug.cgi?id=1530709
Source: Mitre, NVD
Published: 2023-06-19
Updated: 2024-12-11
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.00325