Along with the release of the Firefox 52.0 web browser, which is now the new ESR (Extended Support Release) branch, Mozilla also pushed a new security update for the Thunderbird email and news client.
Thunderbird 45.8.0 is now the latest release of the popular email client and news/RSS reader, which is included by default in numerous Linux distributions. As mentioned before, this is a security update that addresses multiple vulnerabilities discovered in previous versions. According to the release notes, five of them are marked as “Critical.”
These include an asm.js JIT-spray bypass of DEP and ASLR (CVE-2017-5400), a memory corruption when handling ErrorResult (<a href="https://www.mozilla.org/en-US/security/advisories/mfsa2017-07/#CVE-2017-540… (read more)
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