Vulnerability in Mozilla Firefox

CVE-2016-5263

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."

EPSS: 0.023 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-5263?
CVE-2016-5263 is a high-severity vulnerability in Mozilla Firefox, classified under Incorrect Type Conversion or Cast. CVSS score: 8.8/10. Published 2016-08-05.
How severe is CVE-2016-5263?
High severity. CVSS v3 base score is 8.8 out of 10.