CVE-2016-5263
Mozilla: Type confusion in display transformation (MFSA 2016-78)
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 2, 2016
Updated · November 21, 2025
Description
The nsDisplayList::HitTest function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 mishandles rendering display transformation, which allows remote attackers to execute arbitrary code via a crafted web site that leverages "type confusion."
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE not specified