VULNERABILITY

Ubuntu: (Multiple Advisories) (CVE-2020-26970): Thunderbird vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-26970): Thunderbird vulnerabilities

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
12/09/2020
Created
01/22/2021
Added
01/21/2021
Modified
11/07/2024

Description

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.

Solution(s)

  • ubuntu-upgrade-thunderbird

References

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