CVE-2020-26970 (GCVE-0-2020-26970)

Vulnerability from cvelistv5 – Published: 2020-12-09 00:26 – Updated: 2024-08-04 16:03
VLAI?
Summary
When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.
Severity ?
No CVSS data available.
CWE
  • Stack overflow due to incorrect parsing of SMTP server response codes
Assigner
References
Impacted products
Vendor Product Version
Mozilla Thunderbird Affected: < 78.5.1
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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