CVE-2020-6815

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Mozilla developers reported memory safety and script safety bugs present in Firefox 73. Some of these bugs showed evidence of memory corruption or escalation of privilege and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 74.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 25, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-6815: Critical severity, CVSS 9.8 | Vulnix