Articles in “Announcements”

Multi-Account Containers Add-on Sync Feature

The Multi-Account Containers Add-on will now sync your container configuration and site assignments. Firefox Multi-Account Containers allows users to separate their online identities into different tab types called Containers. Each … Read more

Hardening Firefox against Injection Attacks

A proven effective way to counter code injection attacks is to reduce the attack surface by removing potentially dangerous artifacts in the codebase and hence hardening the code at various … Read more

Safe Harbor for Security Bug Bounty Participants

Mozilla established one of the first modern security bug bounty programs back in 2004. Since that time, much of the technology industry has followed our lead and bounty programs have … Read more

Introducing the ASan Nightly Project

Every day, countless Mozillians spend numerous hours testing Firefox to ensure that Firefox users get a stable and secure product. However, no product is bug free and, despite all of … Read more

Secure Contexts Everywhere

Since Let’s Encrypt launched, secure contexts have become much more mature. We have witnessed the successful restriction of existing, as well as new features to secure contexts. The W3C TAG … Read more

Tighter Control Over Your Referrers

The purpose of the HTTP Referer (sic) header is to help sites figure out where their traffic comes from. However, as the Web got more complex, the amount of information … Read more

RSA Signature Forgery in NSS

Issue A flaw in the Network Security Services (NSS) library used by Firefox and other products allows attackers to create forged RSA certificates. Mozilla has released updates to fix this … Read more