Description
Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Published: 2026-08-18
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 25 Aug 2026 16:30:00 +0000

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

Fri, 21 Aug 2026 12:15:00 +0000


Thu, 20 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
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, 18 Aug 2026 22:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770

Tue, 18 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
Description Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
References

Tue, 18 Aug 2026 14:15:00 +0000

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

Tue, 18 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770

Tue, 18 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Title Denial-of-service in the Widget component
References

Subscriptions

Mozilla Firefox Thunderbird
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-08-20T17:21:37.388Z

Reserved: 2026-08-17T11:59:10.459Z

Link: CVE-2026-74982

cve-icon Vulnrichment

Updated: 2026-08-20T15:37:49.863Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-18T13:17:37.253

Modified: 2026-08-25T16:11:04.540

Link: CVE-2026-74982

cve-icon Redhat

Severity : Low

Publid Date: 2026-08-18T12:23:40Z

Links: CVE-2026-74982 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T18:30:17Z

Weaknesses