Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen — WID-SEC-2026-1427

Summary

WID-SEC-2026-1427 is a security advisory from BSI. Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen Reported severity or threat: medium. Source updated on 2026-06-09.

Risk context

• Reported severity or threat level: medium.

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Evidence and provenance

Canonical advisory ID

WID-SEC-2026-1427

Source

BSI

Published by source

2026-05-08

Last source activity

2026-06-09

Curated by

hlukh.ch

Related advisories