CVE-2026-6785

CVSS Score & Metrics

Base Score

8.1 / 10

Vector String

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

Vulnerability Description

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vulnerability Details

Published Date

April 21, 2026

Last Modified

April 28, 2026

CWE ID

CWE-125

Source

NVD

Vendor

mozilla

Product

firefox

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

Discussion (0)

Add Comment