CVE details

CVE-2026-12297

Sandbox escape due to incorrect boundary conditions in the Networking component

• Severity: High
• CVSS: N/A
• Published: 2026-06-16
• Fixed in: 152

Description

Sandbox escape due to incorrect boundary conditions in the Networking component

Affected products

• Firefox · → 152
• Firefox · → 115.37.0
• Firefox · → 152.0.0
• Firefox · 128.0 → 140.12.0

Overlaps: Firefox

Source

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