Thunderbird
CVE-2020-6793
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Use of Uninitialized Resource (CWE-908), which allows attackers to access uninitialized memory causing crashes or information disclosure. 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. Affected products include: Mozilla Thunderbird.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Initialize all variables, use compiler warnings for uninitialized access, use memory-safe languages.
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View allSame technique Information Disclosure
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External POC / Exploit Code
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