Description
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Published: 2026-06-16
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 16 Jun 2026 19:30:00 +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'}


Tue, 16 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Description Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12. Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Title Memory safety bug fixed in Firefox 152 Memory safety bug fixed in Thunderbird 152
References

Tue, 16 Jun 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 16 Jun 2026 13:15:00 +0000

Type Values Removed Values Added
Description Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.
Title Memory safety bug fixed in Firefox 152
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-06-16T17:31:45.920Z

Reserved: 2026-06-15T15:08:12.602Z

Link: CVE-2026-12305

cve-icon Vulnrichment

Updated: 2026-06-16T17:31:40.538Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-16T13:16:30.743

Modified: 2026-06-16T19:16:31.477

Link: CVE-2026-12305

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-16T16:00:06Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer