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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2206-1 thunderbird security update
Debian DSA Debian DSA DSA-4683-1 thunderbird security update
EUVD EUVD EUVD-2020-4709 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.
Ubuntu USN Ubuntu USN USN-4373-1 Thunderbird vulnerabilities
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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T11:56:52.038Z

Reserved: 2020-04-28T00:00:00

Link: CVE-2020-12397

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-22T19:15:15.580

Modified: 2024-11-21T04:59:38.327

Link: CVE-2020-12397

cve-icon Redhat

Severity : Low

Publid Date: 2020-05-05T00:00:00Z

Links: CVE-2020-12397 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses