CVSS 3.1 Score 4.3 of 10 (medium)


Published Dec 19, 2023
Updated: Dec 29, 2023


CVE-2023-50762 is a vulnerability that affects Thunderbird versions prior to 115.6. When processing a PGP/MIME payload with digitally signed text, the first paragraph of the text is not displayed to the user. This occurs because the text is interpreted as a MIME message and treated as an email header section. The vulnerability allows attackers to spoof an email message using a digitally signed text from a different context, such as a signed GIT commit. The risk score for this vulnerability is 15 out of 100, indicating a medium severity level. No privileges are required for exploitation, but user interaction is necessary. The attack vector is through network access and the potential impact includes low integrity and no confidentiality or availability impact.

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