The Numbers Game: Where does Vivaldi get its version number from?

October 4, 2023

Let’s learn what version numbers are and how they are used in the Vivaldi browser.

Client hints or client lies?

January 13, 2023

For decades, the User Agent header has been a major arena for truths, lies and other dastardly deeds. Now there’s an effort to replace the User Agent with “Client Hints”. How will that go?

Pulling the plug on expired Operating Systems

November 24, 2022

Browsers are ending their support for Windows 7 and 8.1 in 2023. Vivaldi dev and security expert Yngve Pettersen explains the challenges faced by browsers as to why they end support of various operating system versions.

The trouble with Chromium translations

November 11, 2022

In this post, Vivaldi developer and security expert Yngve explains the challenges he has faced – and overcome – while working with translations in Chromium.

Page with code.

We reveal a security problem in the Google Cloud API Console

November 26, 2020

While working on the Technical Preview of the Mail and Calendar client, the Vivaldi security team encountered a security problem, possibly a security vulnerability.

Decoding network activity in Vivaldi

November 7, 2019

In this article, Vivaldi security expert Yngve Pettersen takes a deep dive into network activity in Vivaldi.

Hotel safe(ty)

July 23, 2019

Off somewhere nice this summer? Like a lot of people traveling, Vivaldi security expert Yngve Pettersen brings along a number of valuable items. His laptop for starters. Are hotels and booking sites taking guest security seriously?

A Windows 10 bug: The back story

April 30, 2019

Recently, we reported a huge Windows 10 performance issue to Chromium. They discovered that the problem was caused by a Windows security feature that is useful for protecting applications like a browser.

Introducing Vivaldi’s extensions to GN on GitHub

August 20, 2018

Vivaldi has added various extensions to the GN tool developed by Chromium and has made them available in a GitHub repository. Find out if your project can benefit from these extensions.

security-vulnerability-disclosure

Vulnerability Disclosure: Vivaldi installer for Windows could run arbitrary downloaded code (JVN#71572107)

April 19, 2017

Recently, JP-CERT, the Japanese security vulnerability clearing house, brought to our attention a security vulnerability when they forwarded information about a problem in Vivaldi’s installer for Windows.

The Cloudbleed issue: Keeping you safe

The “Cloudbleed” issue: keeping you safe

February 26, 2017

Due to the Cloudbleed issue, Vivaldi has reset the passwords for some of the Vivaldi Community users – to be on the safe side.

Subject: Snapshot 1.0.124.2: Mea Culpa

March 10, 2015

After we released the 1.0.123.10 snapshot yesterday, some observant testers checked the release for the recent FREAK vulnerability, and found that The Linux and Mac versions were vulnerable. 🙁

FREAK is “just” the latest SSL/TLS releated with its own trademarked name (following in the footsteps of Heartbleed, POODLE, Shellshock and others).