Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 < 134 and Thunderbird < 134.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Mozilla
  • Firefox
  • Thunderbird

Configuration 1 [-]

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1835193%2C1910021%2C1919803%2C1931576%2C1931948%2C1932173 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-0247 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-0247 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-01/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-04/ cve-icon cve-icon
History

Thu, 03 Apr 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
Weaknesses CWE-787
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

Tue, 14 Jan 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

 cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Thu, 09 Jan 2025 14:00:00 +0000

Type Values Removed Values Added
Title firefox: thunderbird: Memory safety bugs fixed in Firefox 134 and Thunderbird 134
Weaknesses CWE-120
References
Metrics threat_severity

None

 threat_severity

Important

Thu, 09 Jan 2025 08:45:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 < 134. Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 < 134 and Thunderbird < 134.
References

Wed, 08 Jan 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

Tue, 07 Jan 2025 16:15:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 < 134.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-01-14T16:32:10.790Z

Reserved: 2025-01-06T14:49:19.275Z

Link: CVE-2025-0247

cve-icon Vulnrichment

Updated: 2025-01-08T14:55:27.965Z

cve-icon NVD

Status : Analyzed

Published: 2025-01-07T16:15:39.357

Modified: 2025-04-03T16:25:30.160

Link: CVE-2025-0247

cve-icon Redhat

Severity : Important

Publid Date: 2025-01-07T16:07:07Z

Links: CVE-2025-0247 - Bugzilla