7 Browser Bugs That Will Make You Laugh, Cry, or Panic: From Use-After-Free to Memory Corruption
“Reporter Impact: High. Memory safety bugs in Firefox and Thunderbird could lead to exploitable crashes. Beware of malicious iframes, tricky ‘Save As’ extensions, and sneaky offscreen canvases!”

Hot Take:
From ninja-like garbage collectors to sneaky iframes and memory munchers, it seems like the world of cybersecurity is just one accidental click away from turning into a digital dumpster fire!
Key Points:
- Use-after-free vulnerabilities can be triggered by timed garbage collection.
- Attackers can infer active external protocol handlers via operation timing.
- Sandboxes and iframes can be manipulated to bypass security restrictions.
- Windows 10 is vulnerable to ‘Save As’ attacks involving disallowed file extensions.
- Memory safety bugs in Firefox and Thunderbird could lead to arbitrary code execution.
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