VULNERABILITY INTELLIGENCE
CVE-2015-4497
CVSS score10 HIGH
EPSS probability8.01%
CISA KEVNot currently listed
Published2015-08-29
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Description
Use-after-free vulnerability in the CanvasRenderingContext2D implementation in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to execute arbitrary code by leveraging improper interaction between resize events and changes to Cascading Style Sheets (CSS) token sequences for a CANVAS element.