CVE-2026-84130: Information disclosure in the Graphics: WebGPU component
Published Sep 1, 2026
·Updated
Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2.
Affected Software
3 affected componentsFixes available
Mozilla Firefox<155
155
Mozilla Firefox>undefined
Mozilla Firefox ESR<153.2
153.2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 155 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.2 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 155 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 153.2
Event History
Sep 1, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Updated
via Mozilla·12:00 AM
Affected Software
CVE Published
via MITRE·12:18 PM
Data Sourced
via MITRE·12:18 PM
Description
Data Sourced
via NVD·01:20 PM
Description
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-84117
- CVE-2026-84118
- CVE-2026-84119
- CVE-2026-84120
- CVE-2026-84121
- CVE-2026-84122
- CVE-2026-84123
- CVE-2026-84124
- CVE-2026-84125
- CVE-2026-84126
- CVE-2026-84127
- CVE-2026-84128
- CVE-2026-84129
- CVE-2026-84130
- CVE-2026-84131
- CVE-2026-84132
- CVE-2026-84133
- CVE-2026-84134
- CVE-2026-84135
- CVE-2026-84136
- CVE-2026-84137
- CVE-2026-84138
- CVE-2026-84139
- CVE-2026-84140
- CVE-2026-84141
- CVE-2026-84142
- CVE-2026-84143
- CVE-2026-84144
- CVE-2026-84145
- CVE-2026-75874
- CVE-2026-74952
Frequently Asked Questions
1
Which Firefox releases contain the fix?
The issue was fixed in Firefox 155 and Firefox ESR 153.2.
2
What type of impact does this issue have?
The reported impact is information disclosure in Firefox's Graphics: WebGPU component.