CVE-2026-16376: Vulnerability in Mozilla Firefox
CVE-2026-16376 is a denial-of-service vulnerability in the Graphics: WebGPU component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 153. The vulnerability has a high severity rating with a CVSS score of 7.5, indicating it can cause significant disruption by impacting availability. There are no known exploits in the wild at this time. The vulnerability affects all Firefox versions prior to 153.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-16376) involves a denial-of-service condition in the WebGPU graphics component of Mozilla Firefox. It allows an attacker to cause a crash or otherwise disrupt the availability of the browser. The issue was fixed in Firefox 153. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, and it impacts availability only. The vendor advisory confirms the fix in Firefox 153 and rates the impact as high.
Potential Impact
Successful exploitation of this vulnerability can cause a denial-of-service condition, resulting in browser crashes or unavailability of the WebGPU graphics functionality. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild, reducing immediate risk.
Mitigation Recommendations
A fixed version of Firefox is available: users and administrators should upgrade to Firefox 153 or later to remediate this vulnerability. Since this is not a cloud service, patching the client software is required. No additional mitigation steps are specified by the vendor.
CVE-2026-16376: Vulnerability in Mozilla Firefox
Description
CVE-2026-16376 is a denial-of-service vulnerability in the Graphics: WebGPU component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 153. The vulnerability has a high severity rating with a CVSS score of 7.5, indicating it can cause significant disruption by impacting availability. There are no known exploits in the wild at this time. The vulnerability affects all Firefox versions prior to 153.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-16376) involves a denial-of-service condition in the WebGPU graphics component of Mozilla Firefox. It allows an attacker to cause a crash or otherwise disrupt the availability of the browser. The issue was fixed in Firefox 153. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, and it impacts availability only. The vendor advisory confirms the fix in Firefox 153 and rates the impact as high.
Potential Impact
Successful exploitation of this vulnerability can cause a denial-of-service condition, resulting in browser crashes or unavailability of the WebGPU graphics functionality. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild, reducing immediate risk.
Mitigation Recommendations
A fixed version of Firefox is available: users and administrators should upgrade to Firefox 153 or later to remediate this vulnerability. Since this is not a cloud service, patching the client software is required. No additional mitigation steps are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:56:40.610Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cbc2a4a8d5989262579
Added to database: 07/21/2026, 12:57:32 UTC
Last enriched: 07/30/2026, 10:39:51 UTC
Last updated: 09/03/2026, 22:52:09 UTC
Views: 60
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