Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 affects Firefox < 136 and Thunderbird < 136.
History

Thu, 03 Apr 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

Wed, 05 Mar 2025 03:00:00 +0000

Type Values Removed Values Added
Title firefox: thunderbird: Memory safety bugs fixed in Firefox 136 and Thunderbird 136
Weaknesses CWE-120
References
Metrics threat_severity

None

threat_severity

Important


Wed, 05 Mar 2025 00:00:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 affects Firefox < 136. Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 affects Firefox < 136 and Thunderbird < 136.
References

Tue, 04 Mar 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H'}

ssvc

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


Tue, 04 Mar 2025 13:45:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 affects Firefox < 136.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-03-06T04:55:08.354Z

Reserved: 2025-03-04T12:29:53.878Z

Link: CVE-2025-1943

cve-icon Vulnrichment

Updated: 2025-03-04T14:09:54.735Z

cve-icon NVD

Status : Analyzed

Published: 2025-03-04T14:15:39.260

Modified: 2025-04-03T13:30:58.727

Link: CVE-2025-1943

cve-icon Redhat

Severity : Important

Publid Date: 2025-03-04T13:31:27Z

Links: CVE-2025-1943 - Bugzilla