Description
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
Published: 2026-05-12
Score: 7.3 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 14 May 2026 19:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Wed, 13 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 12 May 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

Tue, 12 May 2026 15:00:00 +0000

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

Tue, 12 May 2026 13:30:00 +0000

Type Values Removed Values Added
Description Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
Title Use-after-free in the JavaScript: WebAssembly component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-05-13T18:30:14.904Z

Reserved: 2026-05-12T12:36:13.277Z

Link: CVE-2026-8390

cve-icon Vulnrichment

Updated: 2026-05-13T18:30:05.899Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-12T14:17:12.050

Modified: 2026-05-14T18:53:56.003

Link: CVE-2026-8390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T21:00:05Z

Weaknesses