Thunderbird 140.4: The Latest Security Fixes You Didn’t Know You Needed! 🚀
Thunderbird 140.4 swoops in to save the day, tackling security vulnerabilities with the finesse of a digital superhero. From memory safety bugs to out-of-bounds reads, these exploits were no match for the new update. Fear not, your emails remain safe as long as you aren’t trying to read them in a browser’s dark alley.

Hot Take:
Looks like Thunderbird just got a little less shocking! With these vulnerabilities fixed, hopefully, users can now enjoy their emails without feeling like they’re opening a surprise box of cyber shenanigans. But hey, who knew emails could be this exciting, right? It’s like Thunderbird is saying, “No bugs allowed, unless it’s a cute lightning bug!”
Key Points:
- Several high-impact vulnerabilities in Thunderbird were patched in version 140.4.
- Most vulnerabilities could not be exploited via email, thanks to disabled scripting.
- Key issues included out-of-bounds read/write, cross-process info leaks, and memory safety bugs.
- JavaScript object properties and browser behavior overrides were among the concerns.
- A “Copy as cURL” command vulnerability was fixed to prevent unexpected code execution on Windows.
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