Canadian Centre for Cyber Security cyber.gc.ca

Mozilla security advisory (AV26-924)

Imported from official source

September 15, 2026 18:54

Cybersecurity Classified by Officially

Serial Number: AV26-924
Date: September 15, 2026

As of September 15, 2026, Mozilla is affected by vulnerabilities in the following products:

Firefox ESR
- Versions prior to 115.41
- Versions prior to 140.16
- Versions prior to 153.3
Firefox
- Versions prior to 156

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

This is an extract. The publication continues at the source.

Read the original at the source: https://cyber.gc.ca/en/alerts-advisories/mozilla-security-advisory-av26-924

Officially imported this from Canadian Centre for Cyber Security’s own source and shows an extract. If you work there, claiming the profile and verifying the domain lets you choose to show the full text here.

Provenance

Organization: Canadian Centre for Cyber Security — imported from official source
Official source: https://www.cyber.gc.ca/api/cccs/rss/v1/get?feed=alerts_advisories&lang=en ATOM
Imported: September 20, 2026 19:52
Versions: 1 recorded
Identity: https://cyber.gc.ca/en/alerts-advisories/mozilla-security-advisory-av26-924