Memory safety bugs present in Thunderbird 150.0.1. 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 150.0.2 and Thunderbird 150.0.2.
History

Fri, 08 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 08 May 2026 13:00:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 150.0.1. 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 150.0.2. Memory safety bugs present in Thunderbird 150.0.1. 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 150.0.2 and Thunderbird 150.0.2.
Title Memory safety bugs fixed in Firefox 150.0.2 Memory safety bugs fixed in Thunderbird 150.0.2
References

Thu, 07 May 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
CWE-122

Thu, 07 May 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Weaknesses CWE-120
CWE-122
Vendors & Products Mozilla
Mozilla firefox

Thu, 07 May 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 07 May 2026 13:00:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 150.0.1. 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 150.0.2.
Title Memory safety bugs fixed in Firefox 150.0.2
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-05-07T12:45:07.540Z

Updated: 2026-05-08T14:11:00.862Z

Reserved: 2026-05-07T12:45:07.174Z

Link: CVE-2026-8093

cve-icon Vulnrichment

Updated: 2026-05-07T13:50:58.540Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-07T13:16:14.317

Modified: 2026-05-08T15:17:02.517

Link: CVE-2026-8093

cve-icon Redhat

No data.