CVE-2020-6793

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908

Affected software

Vendor	Product	Versions
Mozilla	Thunderbird	>= unspecified, < 68.5

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1608539Issue Tracking, Permissions Required
https://security.gentoo.org/glsa/202003-10Third Party Advisory
https://usn.ubuntu.com/4328-1/Third Party Advisory
https://usn.ubuntu.com/4335-1/Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-07/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1608539Issue Tracking, Permissions Required
https://security.gentoo.org/glsa/202003-10Third Party Advisory
https://usn.ubuntu.com/4328-1/Third Party Advisory
https://usn.ubuntu.com/4335-1/Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-07/Vendor Advisory

Timeline

Published: Mar 2, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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