Ledger CTO Issues Alert for Crypto Users Amid Critical Chrome Security Update

Cover image via U.Today Disclaimer: The opinions expressed by our writers are their own and do not represent the views of U.Today. The financial and market information provided on U.Today is intended for informational purposes only. U.Today is not liable for any financial losses incurred while trading cryptocurrencies. Conduct your own research by contacting financial experts before making any investment decisions. We believe that all content is accurate as of the date of publication, but certain offers mentioned may no longer be available. The crypto industry has received notable security alerts in the last 24 hours. First, Ledger CTO Charles Guillemet shared about a major security update for Chrome web browser, which addresses 26 distinct vulnerabilities (4 critical and 22 high) that could allow unauthenticated attackers to execute malicious code remotely. Advertisement These vulnerabilities primarily consist of classic memory management errors such as use-after-free conditions, heap buffer overflows and out-of-bounds access. Hence, an attacker can lure a victim to a maliciously crafted webpage, write payloads directly into system memory and achieve remote code execution. This critical patch cycle is designed to remediate multiple severe memory corruption flaws that pose significant risks to individual users and enterprise networks alike. HOT Stories $15 XRP? Ripple CTO Emeritus Responds to Critic With Surprise Take Crypto Market Review: 3 Key XRP Levels Just Collided, Critical Shiba Inu (SHIB) Test for Upcoming Resistance, Ethereum (ETH) Might Lose $2,000 Next Week You Might Also Like Fri, 02/27/2026 - 16:42 Quantum Computing Risk to Cryptos, Ledger CTO Flags Key Vulnerability By Tomiwabold Olajide Advertisement This, according to Guillemet, highlights the importance of staying vigilant. "A good reminder that you can't trust your browser/computer for your valuable secrets," Guillemet added. This fix addresses 4 Critical and 22 High vulnerabilities. A good reminder that you can't trust your browser/computer for your valuable secrets... https://t.co/9MhQ9jgNCj — Charles Guillemet (@P3b7_) March 21, 2026 In a separate alert, major crypto exchange Binance warns users of an iOS risk. In a tweet , Binance issued an iOS security alert, necessitating an immediate system update for iOS users. Advertisement IOS security alert issued According to Binance , Apple is urging iPhone/iPad users to update iOS as a matter of urgency, as a critical iOS exploit chain known as "DarkSword" was affecting iOS 18.4 to 18.7. This issue is not related to any exchange or wallet application, but rather a system-level vulnerability in iOS. ⚠️ iOS Security Alert | Immediate System Update Required for iOS Users Apple is urging iPhone/iPad users to update iOS immediately. Google Threat Intelligence Group (GTIG) recently disclosed a critical iOS exploit chain known as “DarkSword,” affecting iOS 18.4 to 18.7. This… pic.twitter.com/AZsCYAcxlH — Binance (@binance) March 20, 2026 Attackers may exploit this vulnerability when users visit compromised (but seemingly legitimate) websites. The exploit can also be triggered automatically without any user interaction, allowing attackers to extract sensitive data, including crypto wallet information. The malware may also erase its traces after execution, making detection extremely difficult. Devices utilizing iOS 18.4-18.7 may be at risk, requiring immediate action. In this light, users are urged to immediately update their iPhone/iPad to the latest iOS version in order to remain safe. #Ledger