Thunderbird 128.7: Bug Squashing Extravaganza or Just Another Tuesday?
Thunderbird ESR 128.7 just got a serious tune-up! Mozilla Foundation Security Advisory 2025-10 reports that potential hazards like sneaky use-after-free vulnerabilities and memory safety quirks have been squashed. While Thunderbird doesn’t dance with scripts in emails, these flaws could still boogie in browser-like environments. Stay secure and keep those emails safe!

Hot Take:
Looks like Thunderbird is shaking off more bugs than a dog in a rainstorm! With vulnerabilities ranging from use-after-free to memory safety bugs, it’s time for Thunderbird users to update faster than you can say “CVE.” Who knew email clients could be such a hotbed of excitement? Maybe Thunderbird should change its motto to “We put the ‘thunder’ in ‘Thunderbird’… and then fix it.”
Key Points:
- Multiple high-impact vulnerabilities patched in Thunderbird ESR 128.7.
- Significant issues include use-after-free, potential code execution, and sender address spoofing.
- Moderate and low-impact vulnerabilities also addressed, such as double-free and unsanitized address book fields.
- Fixes involve inherited flaws from the Firefox code base.
- Mozilla Foundation emphasizes the importance of updating to the latest version.