Buffer overflow in the BufferSubData function in Mozilla Firefox before 44.0 and Firefox ESR 38.x before 38.6 allows remote attackers to execute arbitrary code via crafted WebGL content.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)