medium4.3
CVE-2020-12397
By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Thunderbird | before 68.8.0 |
| Canonical | Ubuntu Linux | Versions 16.04, 18.04, 19.10, 20.04 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/
- 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/