CVE-2026-43972

A flaw was found in gun. A malicious or compromised HTTP/2 server can exploit an Origin Validation Error vulnerability by injecting unvalidated HTTP/2 PUSHPROMISE authority. This allows the server to plant cookies scoped to arbitrary third-party domains into the client's shared cookie store. This...

Cookies and how to bake them: what they are for, associated risks, and what session hijacking has to do with it

When you visit almost any website, you'll see a pop-up asking you to accept, decline, or customize the cookies it collects. Sometimes, it just tells you that cookies are in use by default. We randomly checked 647 websites, and 563 of them displayed cookie notifications. Most of the time, users...

CVE-2025-55300

Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking CSWSH attacks against authenticated user...

Google Drops Cookie Prompt in Chrome, Adds IP Protection to Incognito

Google on Tuesday revealed that it will no longer offer a standalone prompt for third-party cookies in its Chrome browser as part of its Privacy Sandbox initiative. "We've made the decision to maintain our current approach to offering users third-party cookie choice in Chrome, and will not be...

What Google's U-Turn on Third-Party Cookies Means for Chrome Privacy

Earlier this year, Google ditched its plans to abolish support for third-party cookies in its Chrome browser. While privacy advocates called foul, the implications for users is not so clear cut...

Privacy watchdog files complaint over Firefox quietly enabling its Privacy Preserving Attribution

A European privacy watchdog has filed a complaint against Mozilla for quietly enabling Privacy Preserving Attribution PPA in its Firefox browser. Noyb none of your business argues that despite its reassuring name, the feature allows the browser to track your online behavior. By design, Privacy...

Google admits it can’t quite quit third-party cookies

For more than a year, Google has said it would phase out the third-party tracking cookies that power much of its advertising business online, proposing new ideas that would allegedly preserve user privacy while still providing businesses with steady revenue streams. This week, Google tossed much ...

Google Abandons Plan to Phase Out Third-Party Cookies in Chrome

Google on Monday abandoned plans to phase out third-party tracking cookies in its Chrome web browser more than four years after it introduced the option as part of a larger set of a controversial proposal called the Privacy Sandbox. "Instead of deprecating third-party cookies, we would introduce ...

Google's Privacy Sandbox Accused of User Tracking by Austrian Non-Profit

Google's plans to deprecate third-party tracking cookies in its Chrome web browser with Privacy Sandbox has run into fresh trouble after Austrian privacy non-profit noyb none of your business said the feature can still be used to track users. "While the so-called 'Privacy Sandbox' is advertised a...

Chrome starts the countdown to the end of tracking cookies

Google has announced that it will start rolling its Chrome web browsers new Tracking Protection feature from January of 2024. Tracking Protection is part of Google’s Privacy Sandbox initiative to phase out third-party cookies. The Tracking Protection feature aims to disable third-party cookies...

Google's New Tracking Protection in Chrome Blocks Third-Party Cookies

Google on Thursday announced that it will start testing a new feature called "Tracking Protection" starting January 4, 2024, to 1% of Chrome users as part of its efforts to deprecate third-party cookies in the web browser. The setting is designed to limit "cross-site tracking by restricting websi...

Mozilla Firefox 'HEIST' Vulnerabilities

Mozilla Firefox might be prone to multiple vulnerabilities dubbed SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefox...

Google Chrome 'HEIST' Vulnerabilities

Google Chrome might be prone to multiple vulnerabilities dubbed SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:google:chrome";...

Privacy Sandbox Initiative: Google to Phase Out Third-Party Cookies Starting 2024

Google has announced plans to officially flip the switch on its twice-delayed Privacy Sandbox initiatives as it slowly works its way to deprecate support for third-party cookies in Chrome browser. To that end, the search and advertising giant said it intends to phase out third-party cookies for 1...

Privacy Sandbox Initiative: Google to Phase Out Third-Party Cookies Starting 2024

Google has announced plans to officially flip the switch on its twice-delayed Privacy Sandbox initiatives as it slowly works its way to deprecate support for third-party cookies in Chrome browser. To that end, the search and advertising giant said it intends to phase out third-party cookies for 1...

Google Rolling Out Privacy Sandbox Beta on Android 13 Devices

Google announced on Tuesday that it's officially rolling out Privacy Sandbox on Android in beta to eligible mobile devices running Android 13. "The Privacy Sandbox Beta provides new APIs that are designed with privacy at the core, and don't use identifiers that can track your activity across apps...

Google to Roll Out Privacy Sandbox Beta on Android 13 by Early 2023

Internet behemoth Google on Tuesday said it plans to roll out Privacy Sandbox for Android in beta to mobile devices running Android 13 starting early next year. "The Privacy Sandbox Beta will be available for ad tech and app developers who wish to test the ads-related APIs as part of their...

Have we lost the fight for data privacy? Lock and Code S03E16

At the end of 2021, Lock and Code invited the folks behind our news-driven cybersecurity and online privacy blog, Malwarebytes Labs, to discuss what upset them most about cybersecurity in the year prior. Today, were bringing those same guests back to discuss the other, biggest topic in this space...

A week in security (July 25 – July 31)

Last week on Malwarebytes Labs: Update Google Chrome now! New version includes 11 important security patches Lightning Framework, modular Linux malware Malware spent months hoovering up credit card details from 300 US restaurants Lock down your Neopets account: Data breach being investigated Demo...

Google delays Chrome third party cookie sunsetting…again

Weve seen many examples of third-party cookies being tackled by browsers recently. Its not so long ago that Firefox effectively locked down third-party tracking by isolating cookies into so-called jars. By doing so, their "Total Cookie Protection" seeks to prevent all those cookies on your PC...