CVE-2020-12397

CVE-2020-12397

EPSS 0.6%

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Affected products

Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370 https://security.gentoo.org/glsa/202005-03 https://usn.ubuntu.com/4373-1/https://www.mozilla.org/security/advisories/mfsa2020-18/