๐Ÿ›ก๏ธ CVE-2026-6784
๐ŸŸ  CVSS 7.5 โ€” High โœ… No Known Exploit CWE-125 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Memory safety bugs present in 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 and Thunderbird 150.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-125
Public Exploit โœ… No
Source NVD
Published 2026-04-21
Updated 2026-06-02
Modified 2026-05-07
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox โ€” 150.0
thunderbird โ€” 150.0

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