CVE-2023-29146

CVE-2023-29146 affects Malwarebytes EDR 1.0.11 on Linux. The vulnerability lies in the utility functions that compute a cryptographic hash of data bytes: hashing truncates data if it exceeds 4 GB, causing an unsigned 32-bit wrap-around. This can enable attackers to craft a colliding hash value fo...

CVE-2023-43686

An issue was discovered in Malwarebytes 4.x and 5.x and Nebula 2020-10-21 and later. A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service...

PT-2026-48156

An issue was discovered in Malwarebytes 4.x and 5.x and Nebula 2020-10-21 and later. There is a Heap buffer overflow in various buffer encryption utilities...

CVE-2023-29146

The utility functions used by Malwarebytes EDR 1.0.11 on Linux for calculating a cryptographic hash of data bytes truncate the hashed data if it exceeds 4GB. This leads to an integer wrap-around if the data is larger than the maximum unsigned integer value 32-bit. Attackers could create a collidi...

Malwarebytes 安全漏洞

Malwarebytes is an application software developed by the American company Malwarebytes, which provides anti-malware capabilities for devices. This software is designed to protect against viruses, spyware, Trojan horses, worms, dialers, and other malicious software. Versions of Malwarebytes 4.x an...

Scam-checking just got a lot easier: Malwarebytes is now in Claude

For years, Malwarebytes has protected people by going where they are, and where people are today is increasingly within AI tools. As these chatbots tackle more everyday questions—like what to wear for an interview, how to replace a pendant light in the home, and where to eat during upcoming...

Big Tech can stop scams. They just don’t (Lock and Code S07E08)

This week on the Lock and Code podcast … A dreadful thing happens far too often whenever an older adult falls for a scam: They get blamed for it. Not the scammers who lied and cheated their victim out of money. Not law enforcement for failing to recover funds. Not even the Big Tech companies that...

Browser Guard gets even better with Access Control

Have you ever been on a website when a pop-up suddenly asked for access to your camera, microphone, location, or notifications? Whether you clicked “allow,” dismissed it, or just wondered why it appeared, those permission requests aren’t always harmless. Some sites can abuse those permissions. Wi...

Malwarebytes Anti-Malware Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Malwarebytes Anti-Malware. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the...

Malwarebytes Privacy VPN receives full third-party audit

For the careful VPN customer today, so much depends upon a privacy promise, made, too often, by a company without proof. No-logs policies, modern encryption algorithms, a refusal to store sensitive customer information, and full ownership of servers are just some of the features that contribute t...

90% of people don’t trust AI with their data

AI didn’t sneak into our lives. It burst through the door, took a seat at the table, and started finishing our sentences. Instead of a helpful list of links, Google now tries to answer your question. Microsoft’s Copilot drafts replies to your boss before you’ve had coffee. Your phone summarizes...

Watch out for fake Malwarebytes renewal notices in your calendar

We’ve become aware of a scam campaign sending fake calendar invites that impersonate Malwarebytes and attempt to trick recipients into calling a scam “billing support” number. We have written before about how calendar invites can be abused for phishing, and even about how Google Calendar invites...

CVE-2025-67905

Malwarebytes AdwCleaner before v.8.7.0 runs as Administrator and performs an insecure log file delete operation in which the target location is user-controllable, allowing a non-admin user to escalate privileges to SYSTEM via a symbolic link, a related issue to CVE-2023-28892. To exploit this, an...

CVE-2025-67905

Malwarebytes AdwCleaner before v.8.7.0 runs as Administrator and performs an insecure log file delete operation in which the target location is user-controllable, allowing a non-admin user to escalate privileges to SYSTEM via a symbolic link, a related issue to CVE-2023-28892. To exploit this, an...

CVE-2025-67905

CVE-2025-67905 affects Malwarebytes AdwCleaner prior to v8.7.0. The issue: AdwCleaner runs with Administrator privileges and performs an insecure log file delete operation where the target path is user-controllable, enabling a non-admin user to escalate to SYSTEM via a symbolic link. Exploitation...

A week in security (February 2 – February 8)

Last week on Malwarebytes Labs: Apple Pay phish uses fake support calls to steal payment details Open the wrong "PDF" and attackers gain remote access to your PC Flock cameras shared license plate data without permission Grok continues producing sexualized images after promised fixes Firefox is...

📄 Malwarebytes Anti-Malware 2.x Privilege Escalation

This advisory hosts useful analysis of older research from 2016, when Google's Project Zero discovered multiple security issues in MalwareBytes Anti-Malware version 2.x. The software suffered from a combination of security flaws that allowed attackers to remotely tamper with...

Celebrating reviews and recognitions for Malwarebytes in 2025

Independent recognition matters in cybersecurity, and it matters a lot to us. It shows how security products perform when they’re tested against in-the-wild threats, using lab environments designed to reflect what people actually face in the real world. In 2025, Malwarebytes earned awards and...

CVE-2023-43687

An issue was discovered in Malwarebytes before 4.6.14.326 and before 5.1.5.116 and Nebula 2020-10-21 and later. There is a Race condition that leads to code execution because of a lack of locks between file verification and execution...

CVE-2023-43694

An issue was discovered in Malwarebytes 4.6.14.326 and before and 5.1.5.116 and before and Nebula 2020-10-21 and later. An Out of bounds read in several disassembling utilities causes stability issues and denial of service...