CVE-2020-6793
MEDIUMCVSS 6.5/10EPSS 1.47%
Last modified
CVE-2020-6793 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | < 68.5.0 |
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6793?
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.
How severe is CVE-2020-6793?
CVE-2020-6793 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6793?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-6793?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST