Use-After-Free Vulnerabilities in Firefox and Tor

The video discusses recent critical vulnerabilities in browsers, focusing on a use after free flaw in Firefox that allows remote code execution. It highlights the impact on Firefox-based browsers like Tor and Zen, and the importance of updating to secure versions. The video also covers changes in Chrome's ad blocker functionality due to Google's manifest update, which affects plugins like U Block Origin. Technical details of use after free exploits are explained, emphasizing the complexity of browser security and the need for robust coding practices.

What type of flaw was recently discovered in Firefox that could lead to remote code execution?

• Cross-site scripting

• SQL injection

• Use-after-free

• Buffer overflow

What major change in Chrome's plugin manifest affects ad blockers?

• Introduction of a new ad-blocking API

• Support for more ad formats

• Removal of the Web Request API

• Increased plugin execution speed

What programming language is increasingly being used in Firefox's codebase?

• Java

• Python

• Rust

• Go

What is a dangling pointer in the context of use-after-free vulnerabilities?

• A pointer that points to a valid memory location

• A pointer that has been deleted but still exists

• A pointer that is used for memory allocation

• A pointer that is used for memory deallocation

Which browser was also affected by the use-after-free flaw besides Firefox?

• Opera

• Zen

• Edge

• Safari