High · published December 1, 2025
⚡ A heap buffer out-of-bounds read in Avast Antivirus could allow attackers to crash your antivirus process or even execute their own code — yikes! 🔥 Think of it like a chef misreading a recipe and accidentally adding too much salt; the dish doesn’t just taste bad — it can ruin the entire meal. Here, the malformed Mach-O file is that extra salt, causing your antivirus to malfunction when it scans. If exploited, this vulnerability could let an attacker crash your antivirus, leaving your system unprotected against real threats. In the worst-case scenario, they could even execute malicious code on your machine, making this a pretty serious concern for your digital safety!
Think of it like a chef misreading a recipe and accidentally adding too much salt; the dish doesn’t just taste bad — it can ruin the entire meal. Here, the malformed Mach-O file is that extra salt, causing your antivirus to malfunction when it scans. This vulnerability arises from a flaw in the scanning logic of Avast Antivirus, AVG Antivirus, Norton Antivirus, and others, which does not properly handle malformed Mach-O files, leading to potential local code execution or denial-of-service scenarios.
If exploited, this vulnerability could let an attacker crash your antivirus, leaving your system unprotected against real threats. In the worst-case scenario, they could even execute malicious code on your machine, making this a pretty serious concern for your digital safety! To protect yourself, make sure your antivirus is updated to virus definition build VPS 25090300 or higher. Check for updates across all affected products and ensure your installations are secure! You've got this! By keeping your antivirus up to date, you're on the front lines of digital defense. 🛡️