CVE details

CVE-2026-4701

Use-after-free in the JavaScript Engine component

• Severity: Medium
• CVSS: N/A
• Published: 2026-03-24
• Fixed in: 149

Description

Use-after-free in the JavaScript Engine component

Affected products

• Firefox · → 149
• Firefox · → 140.9.0
• Firefox · → 149.0

Overlaps: Firefox

Source

View on NVD

Check if your browser is affected