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Vulnerabilities
Vulnerability

CVE-2026-74934

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
7.5 High
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Risk score
60.0
Published
2026-08-18
Status
Published

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Weaknesses

CWE-200CWE-284CWE-346

Coverage 2

Advisories and references