CRITICAL9.8
A use-after-free vulnerability exists in DOMProxyHandler::EnsureExpandoObject in Pale Moon before 27.9.3.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H