CVE details

CVE-2026-84143

Internally found bugs fixed in Firefox 155, Firefox ESR 153.2 and Firefox ESR 140.15

• Severity: High
• CVSS: N/A
• Published: 2026-09-01
• Fixed in: 155

Description

Internally found bugs fixed in Firefox 155, Firefox ESR 153.2 and Firefox ESR 140.15

Affected products

• Firefox · → 155
• Firefox · → 140.15.0
• Firefox · 141.0.0 → 153.2.0
• Firefox · 154.0.0 → 155.0.0

Overlaps: Firefox

Source

View on NVD

Check if your browser is affected